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Nyakko Sakurei

桜霊にゃっこ

your fav cat × oni vtuber

About

A cat-oni hybrid, usually watching from a safe distance. Ofuda talisman keep my oni power calm. Deadpan prankster.❝I'm not lazy, I'm just... in energy-saving mode.❞

Lore Summary
Nyakko Sakurei is a cat-oni hybrid abandoned at an abandoned mountain shrine and raised by spirits who named her Sakurei, combining 'Saku' (桜) from the Sacred Cherry Tree that nurtured her and 'Rei' (霊) from the spirits themselves.Ostracized by the cat-folk village below, she grew up gentle, shy, and deeply awkward around strangers, yet mischievous in a cute deadpan way with her spirit family, pulling harmless pranks like appearing behind her Kodama friend in a flash, whispering "boo" with complete blank-faced seriousness while using oni powers to snatch matcha chocolates mid-bite, then reappearing several feet away taking a single, loud, ceremonious crunch without even a hint of a smile.One day, clutching a rare horse-shaped matcha chocolate her Kodama friend had gifted her, a symbol of the one good thing in her lonely life, three villagers cornered her, snarling "a monster like you doesn't deserve something so nice." Terror erupted her relentless dormant oni power in a devastating shockwave that sent them fleeing but severed the Kodama's branch, leaving her friend flickering and broken, the chocolate crushed underfoot.A powerful yamabushi child prodigy, around one year older than her arrived expecting a monster and found a heartbroken girl. Instead of banishing her, he placed sealing ofuda talismans on her and became her mentor, encouraging her shrine maiden duties to tend the sacred grounds, care for the damaged cherry tree, learn discipline and control, and learn how to get past her social anxiety to connect with others.

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Credits

Live 2D Model
Art + Rig by: 曇

Mogu Mascot
by: 曇

Twitch Emotes
Cry, Surprised, Sip & ThisIsFine by: JackRabbitsCoP2U Chibi Base 1, 3, 4 by: RokuAwww, XD, Bruh (Legacy Emotes) by: JvstasyouareFiveheadko, Gigako, Noodleko, Sadko, Shocked, Susko, Wideko (Legacy Emotes) by: Decycle

Debut Video Editor
Edited by: Eksal Faris N

Stream Assets
Logo by: CaraomieSchedule by: PuyyChat UI Overlay & Gaming Overlay by: 柚子呀Chatting Screen BG, Starting Soon BG, BRB BG, Ending BG by by: ゆゆちゃんOmamori Sub Badges by: NaedayYokai Festival Hype Train Alert by: EpicPiggyBee風鈴 by: 素材屋あぶく【背景素材】「山奥の神社」差分セット by: 甘蟹【背景素材】神社(日常編part20-BG18de) (雪) by: みにくる観葉植物 by: usanekomemory紙垂 and 炬燵 by: StreamFactory

• Summary

Part I: Cherry Blossom, Spirit Soul

Winter air crystallized against ancient bark. Nyakko Sakurei, four years old, pressed her small hands against the Sacred Cherry Tree's trunk, watching frost creep along its surface in delicate patterns.The Elder Spirit materialized beside her, form rippling like heat over summer stone, never quite solid, never fully transparent. Ancient beyond reckoning, patient as the mountain itself."Come here, little one. Do you know what your name means?""...No." Her voice barely carried, understanding even then the weight of being seen."Watch." The spirit's consciousness condensed breath against the wood. A kanji formed in the frost. "Saku. 桜, cherry blossom. But words are never simple, child. This same character means 'to bloom.'"Another character appeared beside the first. "Rei. 霊, spirit, soul, the immaterial essence that binds all things. Together: Sakurei. 桜霊. Cherry-spirit. Blossom-soul."The Elder's form darkened with something like sorrow. "A beautiful name. One that speaks of growth and connection. But remember this, Nyakko: the cherry that blooms will also scatter. What brings life inevitably brings endings. Both truths exist in the same breath, in the same name."She traced the characters with small fingers, not understanding. Not yet."The tree gave you this name?""When we found you at its roots, barely breathing, the tree fed you its sap. Bound you to this mountain, to us, to itself. Such bonds require names." The Elder's consciousness pressed gently against hers: warmth, protection, choice. "You are my child now, Nyakko. Not by blood, but by choice. The tree saved your life. I will guide it. That is the role I have taken."The frost melted. The characters faded. The lesson remained.

• Summary

Part II: Between Fire and Frost

The mountain shrine had been built from the Sacred Tree's own body, not stolen, but offered, generations ago when the tree was young enough to believe in humanity's promises. Consecrated cuttings woven into architecture, a marriage of wood and worship.
The cat-folk villagers below had long since forgotten what their ancestors had sworn in exchange: stewardship, reverence, protection. What remained was fear, dressed up as caution. Stories of the "mountain demon" passed from parent to child like an heirloom disease.
Nyakko's singular asymmetrical horn marked her as oni-blooded. In the hierarchy of yokai, oni were apex predators, devastation given form. Everything small, clever cat-folk feared in their bones.
But blood doesn't dictate destiny. Only capacity.
From her oni lineage came resilience that bordered on uncanny. She could sleep in snow and wake comfortable, fall from heights and rise with only bruises. Her senses extended beyond even cat-folk norms. She felt seismic shifts before they occurred, tasted intention in the air before words were spoken. Power slept in her marrow like a dragon in winter.
From her cat blood came something equally dangerous: the ability to be gentle. To move with fluid silence that seemed to phase between moments. To value comfort and peace and the perfect warmth of sun-heated stone.
The combination should have been impossible. Oni burned hot; cat spirits ran cool. The contradiction lived in her body as constant negotiation, leaving her perpetually drowsy, her metabolism struggling to balance fire and frost. It manifested in her deadpan expression, emotion seeping through like water through stone. Slowly. Subtly. Requiring attention to perceive.
She was a living koan: a monster too gentle to be monstrous, a spirit too physical to be ethereal, a child too other to be simply a child.
At age six, watching smoke rise from village hearths far below, cat-folk families gathering with swishing tails and twitching ears, she asked: "Why don't they want me?"
Mogu, then barely larger than her palm, couldn't answer. He was a young Kodama himself, born from the same branch that had nourished her. Twin children of the Sacred Tree, bonded before either had words.
His consciousness flickered against hers like candlelight in confusion and warmth
Not an answer. But enough.

• Summary

Part III: The Inadequacy of Good Intentions

Her attempts at connection would have been comedic if they weren't so heartbreaking.Age seven: A little cat-girl's hat blown into the river. Nyakko reached out to help, trying to guide the water with the power sleeping in her blood. Her power exploded wild and uncontrolled, sending water spraying and the hat ripping downstream faster. She called out, but her distressed cry echoed from the trees, sharp-toothed and wrong for cat-folk. The child's ears flattened in terror. She ran screaming, tail bottled. Nyakko had wanted to help. She made it worse.Age eight: She rustled bushes trying to wave at an elderly cat-folk woodcutter. He saw only thrashing undergrowth. His whiskers trembled with instinctive prey-fear. He fled, later reporting a "demon ambush" to anyone who would listen.Age nine: She and Mogu began their chocolate raids. The village store kept matcha chocolates in a specific drawer, and the lock was simple for spiritual fingers to bypass. They told themselves it was harmless mischief, taking only one or two pieces, never enough to truly deprive anyone. They were sharing in something from her mother's culture, weren't they?Nyakko never saw the store owner's ledger, the careful accounting showing losses adding up. Never heard him blame his young daughter for sneaking treats. Never watched the cat-girl tearfully accept punishment for thefts she didn't commit, her ears drooping in shame.This is the tragedy of good intentions paired with isolation: Nyakko had no framework for understanding consequences beyond her small world. The spirits taught her about growth cycles and the language of leaves, but never that love alone doesn't justify taking what isn't freely given.The matcha chocolate became sacrament to her and Mogu. The perfect marriage of bitter and sweet, earthiness and richness. The horse-shaped ones especially, rare and precious, eaten with ritualistic appreciation. In their telepathic communion, taste transcended the physical. When Mogu experienced chocolate, Nyakko felt his joy as her own.They thought they were stealing nothing but food. They didn't understand they were also stealing innocence, making themselves thieves, giving the village one more reason to hate the mountain's mysteries. Giving her mother's people one more reason to reject her mother's child.

• Summary

Part IV: The Mathematics of Grief

The boy's name was Kenji, and his story started with a different kind of abandonment.When he was seven, his parents died in a late-spring avalanche. Freak weather, unstable snowpack, wrong place at the worst possible time. Pure chance, pure tragedy. The kind of death that has no villain, no meaning, no justice. Only absence.His grandfather couldn't accept that. Cat-folk need narratives just as much as humans do. They need cause and effect. They need someone to blame.Three weeks before the avalanche, Kenji had played in the forest and encountered a strange girl with a horn and cat ears like his own, but wrong somehow. They'd shared perhaps twenty minutes throwing pinecones, examining interesting rocks, the casual communion of children who haven't yet learned difference is dangerous.His grandfather seized on this memory like a drowning man grabbing a rope. "The mountain demon cursed you," he insisted, grief-mad and desperate for control, tail lashing in agitation. "Your parents died because you played with something unnatural."It was a lie born from pain, not malice. The grandfather believed he was protecting Kenji, giving him a framework where death could be avoided through vigilance. Where loss wasn't random but preventable.But the lie metastasized. Fed by nightmares and survivor's guilt, it grew into Kenji's foundational truth: I killed them by being careless. By not recognizing danger. By being weak.By the time Kenji was twelve, the hatred was almost merciful. It gave his self-loathing an external target.He couldn't explain why he never confronted her. Not yet. As long as he didn't, both possibilities existed. She was both the monster who killed his parents and the innocent girl he once played with. The not-knowing was safer.But staying in that liminal space was its own kind of curse.Years passed. The pain calcified. Became part of his foundation.

• Summary

Part V: The Horse-Shaped Chocolate

The day it happened, Nyakko was eighteen. Kenji was eighteen. Seven years since his parents died, eleven since they'd played together as children.Mogu had been saving something for weeks: a single horse-shaped matcha chocolate, purchased legitimately with a coin he'd convinced a pilgrim to "drop" near the shrine's offering box."For you," his consciousness flickered, pride radiating like heat. "First thing I've ever truly given rather than stolen together."Nyakko held it like a holy relic, her usually blank face cracking into something wondering and soft. "Mogu..."Then voices. Footsteps. Three cat-folk boys, ears perked forward in false bravado, tails swishing with nervous aggression. Kenji at the lead, with Tora and Riku, the brothers who'd taken him in when his grandfather cast him out.Kenji had been building toward this for months, working up courage or cruelty, maybe both. His friends came because cruelty is easier when witnessed. Because fear smells like safety when you're small and have already lost everything once."That's matcha chocolate. Where'd you get it?" Kenji's voice was hard."It was... a gift."Mogu pressed against her leg. Danger. Careful. Wrong."A gift. Right. And I suppose you didn't steal it from the village? Like you've been stealing for years?""I don't... that's not..." Words failed. They always did when she needed them most."See? She can't even deny it."Kenji stepped forward, tail lashing, ears pinned back. "A monster like you doesn't deserve something so nice."He reached for the chocolate. She jerked back, clutching it protectively. "No! It's mine! Mogu gave it to me!"The first real resistance she'd ever shown. The worst possible moment to find courage.He shoved her. Hard. Her back slammed against the Sacred Cherry Tree's trunk, bark rough where it had once been gentle. The chocolate tumbled from her hands. Mogu's precious gift crushed into dirt.Everything converged. Physical threat from another child. Betrayal, a cat-folk child attacking her. The tree's bark against her spine. Mogu's distress crackling through their bond.Oni blood surged: fight. Cat spirit shrieked: flee. Caught between warring halves, her hybrid nature found no answer. Only paralysis. Only panic."GET AWAY FROM ME!"The scream that tore from her throat wasn't words. It was every lonely year given voice. Every misunderstood gesture. Every failed connection. Every time her mother's people looked at her with fear instead of recognition.It was grief becoming physics.

• Summary

Part VI: The Sound of Splitting Wood

The power burst outward in concentric rings, invisible force like heat shimmer made solid. The three boys flew backward, tumbling into underbrush. Their smaller yokai bodies bruised easily, but they were merely injured and terrified, not broken.But the Sacred Cherry Tree...The tree had weathered centuries. Lightning strikes and typhoons, drought and disease. It had given freely of itself to build the shrine, to nurture abandoned Nyakko, to birth spirits like Mogu into existence.But even the mighty have limits.The shockwave tore through the trunk where shrine met tree-flesh, where architecture merged with living wood. The sound was obscene, not a clean crack but a wet, splintering tear. The entire structure groaned, a subsonic frequency that every spirit on the mountain felt like a knife to the gut.And Mogu's branch snapped.He fell silently. Kodama don't scream. They simply... diminish. His small body hit the ground with the softest sound.Through their bond, Nyakko felt his light begin to flicker. Hurt. Dark. Cold.Not dying, not yet. But fading. The connection between spirit and source tree severed. Days, maybe weeks, before dissolving into the general animus of the forest, losing individuality, losing memory, losing the self that had been her only true friend.The boys fled, their cat instincts screaming danger. Smart children, knowing disaster when they saw it.Nyakko collapsed beside Mogu. The scream that had been rage became wailing. She cradled him, this small child who had never judged her, never feared her, never wanted her to be anything but herself."Don't understand. What happened. Why.""I'm sorry," she sobbed, the first tears she'd cried since infancy. "I'm sorry, I'm sorry, I'm sorry..."But apologies don't heal split wood. Regret doesn't reattach branches.The other spirits gathered at a distance, their usual formlessness taking on sharp, angular shapes. Disappointed. Betrayed. The one they'd raised had wounded their tree, damaged the shrine, proven the cat-folk villagers' fears correct.Even the Elder Spirit, ancient and patient, maintained distance now. Their voice carried judgment heavier than any physical cold.She had become the monster after all.

• Summary

Part VII: The Yamabushi's Burden

Hajime arrived at dawn, when mist still clung to the mountain like regret.He was nineteen years old, last of a bloodline of yamabushi that had served as spiritual guardians of sacred mountains for seventeen generations. A prodigy who'd completed his ascetic training at age eleven, when most don't begin until their mid-twenties. The cat-folk elders had summoned him specifically when they needed a demon dealt with.He came prepared with ofuda inscribed with his own careful calligraphy, ritual implements, and the esoteric knowledge of Shugendō. He came ready to seal or destroy a demon.The scene unmade him.A child, horn-headed and cat-eared, yes, but a child. Eighteen years old, perhaps, small for her age. Hypothermic from a night spent outdoors in autumn cold, curled around a wounded Kodama like she could make herself a shield.She didn't flee when he approached. Simply looked up with eyes that held no anger, no defiance. Only exhaustion and guilt so profound it had weight. And then, shyness. Her cat ears flattened slightly against her head, the instinctive retreat from unfamiliar presence."Are you here to kill me?" Her voice was rough from screaming and crying. Barely a whisper. She couldn't quite meet his eyes.Hajime had sealed spirits before. Minor yokai, corrupted nature spirits, once even a rogue oni when he was ten. The burden his family bore as guardians. But this...He sat down slowly, surprisingly casual. "Tell me what happened. Not the village's version. Yours."She did. Haltingly, with long pauses where language seemed to abandon her. The chocolate, the boys, the fear, the loss of control. She didn't justify or defend. Simply confessed."I hurt him. Mogu. He gave me something precious and I... I broke him. I broke everything."Hajime was quiet for a long time. He was thinking of Yuki, the snow spirit who'd been his friend, who'd loved his company, who'd trusted him completely when he promised to visit during training. He'd meant it. But life happened. Days became weeks. By the time he returned, Yuki was gone. Faded. Dispersed. Snow spirits don't last without belief and companionship.He'd broken his promise without meaning to, and the consequences had been irreversible.Looking at this child clutching her dying friend, Hajime saw his own crime reflected back. The way good intentions mean nothing against the reality of harm caused."The cat-folk villagers think you're a demon."She nodded, unsurprised."They want me to banish you. Or destroy you. They weren't super specific." He pulled out several ofuda, ceremonial talismans inscribed with 封印 (fūin, seal). "I'm not doing that. But I am going to seal your power. If you'll let me."Her head snapped up. Confusion."Your power is vast and unstable. Right now, it's like a flood with no riverbed. These seals will create boundaries, give your strength a shape it can flow through safely. You'll still have your abilities, but they won't be able to explode out of you like that again.""Will it hurt?""No. But you'll feel suppressed. Restricted. It might be uncomfortable at first."She looked down at Mogu's still form. "Will it let me save him?""Eventually. If you're willing to learn control. The seals will hold your power back while you grow strong enough to direct it properly." He smiled, sad and tired. "I'm going to do something much more difficult than banishing you. I'm going to teach you to live with what you've done. And then I'm going to help you fix it."She extended her arms, wrists up. Surrendering. "I deserve this.""Maybe," Hajime said, beginning the ritual with deliberate movements learned through decades of mountain asceticism. "But that's not why I'm doing it. I'm doing it because you deserve a chance to become better than your worst moment."

• Summary

Part VIII: The Sealing

The sealing ritual took hours. Hajime placed the ofuda with precision, each talisman adhering not just to fabric but woven into her spiritual essence itself. The seals created a circuit, a flow that would prevent another catastrophic release while still allowing her to access her abilities with intention.As the final seal settled, Nyakko gasped. It felt like being wrapped in a heavy blanket, present, restricting, but not painful. Her power was still there, but now it moved through defined channels instead of threatening to burst out."You'll wear these permanently," Hajime explained. "They're bound to your spiritual core now. They'll become part of your appearance, part of who you are. A reminder, yes, but also a tool."Nyakko touched the seal at her left eye, feeling the 封印 character pulse with gentle authority. "Thank you."Hajime moved into the shrine permanently, abandoning the lowland life he'd built. He slept in the main hall. Nyakko remained in her nest in the tree's highest branches, but now came down for lessons.The first year, she barely spoke. The spirits kept their distance, uncertain. Mogu remained in stasis. Hajime had used his yamabushi knowledge to create a suspended state, neither healing nor fading. Frozen in the moment before death, waiting.Hajime taught her shrine maiden duties. Sweeping. Offerings. Prayers. The discipline of repetition as meditation. He also taught her the fundamentals of Shugendō, the five elements and how they interacted, transformed, supported and controlled each other. How her oni fire could be guided by understanding, shaped by intention.He never mentioned her horn or ears or power as monstrous. He simply treated her as what she was: a child who needed structure and purpose.The second year brought books. Children's stories, folk tales, later more complex works. She devoured them with desperate hunger, finally understanding the narratives that had always excluded her.Many featured monsters. She recognized herself in every antagonist."These stories are told by survivors," Hajime said when he found her crying. "They're not lies, exactly. But they're not complete truths either. The monsters rarely get to tell their side.""Maybe they don't deserve to," Nyakko whispered."Maybe. Or maybe everyone deserves the chance to explain, even if explanation doesn't equal forgiveness."The third year was control. Water controlling fire. Silk harnessing thunder. The seals helped, creating boundaries that made her power comprehensible. She practiced on pebbles first, then branches, logs, boulders. Learning the difference between force and violence, between power and destruction.By year eight, she could make petals dance on commanded wind currents. By year nine, she could stop a falling tree with directed pressure that left it unharmed.But skill didn't heal the fundamental wound. She was still alone. Still monstrous. Still rejected by her mother's people. Still responsible for Mogu's frozen half-death.The seals had become part of her identity, not a punishment she bore, but a commitment she'd chosen. The ofuda with their 封印 characters were visible proof that she was trying.But acceptance from herself didn't mean acceptance from anyone else.

• Summary

Part IX: The Modern Parable

When Hajime suggested VTubing, Nyakko thought he'd finally succumbed to mountain isolation."You want me to... talk to people? Through the internet?""I want you to learn that connection doesn't require physical presence. That you can be yourself without endangering anyone. That you can receive acceptance without having to hide.""They won't accept me. I'm...""Out there, in that vast digital world, there are people who might see you differently. Who might choose to stay, to support you, to believe in you.""Why would anyone do that?""Because you'll be honest with them. Because Mogu needs them." Hajime paused. "Spirits need belief to sustain themselves. The tree is healing, but Mogu is still weak. He needs more than just the tree's connection. He needs to be seen, remembered, valued by many hearts.""And you... you need to learn that you're capable of creating bonds that don't end in harm."For Mogu, still fragile and fighting to stay present, she'd try anything.The first streams were disasters. Too quiet, too stiff, too literally deadpan. But gradually, something shifted.Someone asked about the talismans on her outfit. She explained, haltingly, that they were seals. That they helped her control something powerful and dangerous inside her. That they were a promise she'd made to herself and someone who believed in her.Someone else asked about Mogu. She explained that he was hurt. That she was trying to heal him. That streaming and building community was part of that process."Spirits need belief," she typed. "They need to be seen and remembered and valued. Mogu is weak because his source was damaged. But if enough people believe in him, care about him, SEE him... maybe that belief can sustain him until I'm strong enough to repair the physical damage."It was the most she'd said publicly in ten years.Chat exploded with support. Fan art appeared overnight. People started bringing his name up in other streams. A hashtag trended: #HealingForMogu.Nyakko watched, bewildered, as strangers invested energy and attention into saving her friend. This was the capacity for compassion she'd never experienced. Distributed across distance, mediated by technology, but no less real.For the first time in her life, she understood that the world might be larger and kinder than the village that had taught her she was unwanted.Strangers became her spirit family, not bound by blood or proximity, but by choice. By belief. By the radical act of witnessing another's healing and saying: Yes. I'll help. I'll stay. I'll believe.The streams continued. Her community grew, not massive, but dedicated. People who tuned in to watch her practice control, talk about her day with characteristic deadpan delivery, and witness Mogu's slow warming.Mogu remained in stasis beside her, but the change was noticeable. His form was warmer. His presence slightly stronger in her telepathic awareness. Not awake. Not yet. But less distant. Less like he was slipping away."Today I moved a boulder. Didn't shatter it, didn't send it flying. Just... moved it. Three feet to the left."Chat celebrated."Hajime says I'm almost ready. Maybe another few months of practice and I'll be strong enough to reconnect Mogu properly."More celebration. Encouragement. Love from strangers who had become something more than strangers."I know I say this a lot, but... thank you. All of you. For believing when I couldn't. For staying when you didn't have to."She glanced at Mogu."He's still here because of you. We're still here because of you."A comment caught her eye: "You're here because you chose to be better. We just witnessed it."The truth settled into her chest, warm and unfamiliar.She chose this. The seals, the discipline, the vulnerability of streaming. All of it her choice.And they chose her back. Chose to witness, to support, to believe.And Nyakko, sealed oni and former mountain demon, felt something she hadn't felt in years.Hope.