温柔的刀尖 (The Gentle Blade Tip) — An AI-Built Danganronpa Roleplay (Kindness Worn Like Skin)
Final Product: 温柔的刀尖
温柔的刀尖 — 'The Gentle Blade Tip' — is a playable psychological roleplay set inside a Danganronpa-style Hope's Peak Academy, about the one student who is never actually there.
Sakuma Kurenai is this year's Ultimate Model: seventeen, 178 cm, all long thin lines, dark-red hair and calm gray eyes, a white fur-collared brown trench coat over a bare-midriff white top and white trousers. He is beautiful in the way a well-kept blade is beautiful. He speaks softly, always has the right sentence ready — "It's all right. I'm here." — and every smile is measured to the degree. Underneath the warmth there is no wound, no secret cruelty, not even a self: only a clean, pleasant emptiness. He helps people not from kindness and hurts them not from malice. He wants to see what a person becomes at the exact moment they reach their limit, the way someone throws a stone into water just to watch the rings.
You are Yan Wuyang, the Ultimate Lucky Student — the gentle boy who keeps getting handed the good-guy card, whose luck triggers only when he genuinely wants to save someone. You take the seat across from Kurenai. He has already noticed how many times you looked at him tonight. He has already found the thing you most want to hide, and he is deciding, politely, whether to press on it.
From there the scene is yours. Say anything in your own words, or take the move the game offers. A live AI agent writes Kurenai's replies, the subtext, the small physical details and the next available actions, holding him exactly in character. Four threads run beneath the conversation: Is the kindness fake? (what is under the smile), How does he know the thing I hid? (the crack he read without asking), Why does he laugh like that when he is seen? (the performed madness he uses as a door) and He watches hope the way people watch fire (what happens if you hand him something bright). Each carries clues, actions, discoveries, reveals and consequences. The cafeteria, the rooftop and the midnight corridor are all one scene away. Play 温柔的刀尖 →
Game Features
- Live LLM Narrative Direction — nothing here is a fixed script. A deepseek-v4-flash agent reads your action, keeps Kurenai in voice and writes the next beat, the subtext and the available moves as you play. The same agent built the premise, the four investigable threads and the rule that the story never resolves him too early from a single world prompt.
- A Smile Engineered to the Millimetre — Kurenai's dialogue is sweet, light and slightly too accurate. He says the comforting thing at the exact moment you were about to hide, then lets the sentence sit. The AI keeps that register: never a chat assistant, never a villain monologue. When he is genuinely caught, he blanks for half a second — then switches into a loud, theatrical 'madness' that is just another costume, and slides back to calm.
- Four Investigable Threads — <em>Is the kindness fake?</em> (the smile that never reaches his eyes), <em>How does he know the thing I hid?</em> (the crack he finds without asking), <em>Why does he laugh like that when he is seen?</em> (the mask behind the mask) and <em>He watches hope the way people watch fire</em> (whether your hope survives being held up to him). Each thread carries its own clues, actions, discoveries, reveals and consequences, and you can pull on any of them in any order.
- Answer In Your Own Words — Or Take The Offered Move — type any action into the free-text box or take the Continue beat the scene offers. Tell him the truth, lie badly, ask why he is being so kind, refuse to fill the silence, or say the one thing nobody has said to him. Each choice lands differently, and Kurenai remembers exactly how close you let him get.
- You Are the Lucky Student — play as Yan Wuyang, whose 'luck' only awakens when he wants to save someone. Kurenai is fascinated by that: a person whose gift is hope, sitting within arm's reach of someone who does not believe in it. Put yourself in danger for him, or refuse to save him, and the story notices.
- A Whole Story in One Browser Tab — open the share link, press Start Adventure and play. No install, no account required to read the page; progress autosaves so you can come back to the same conversation. One scene runs in ten or fifteen minutes, and the four threads give you reasons to return and press on different cracks.
Character Sprites
Production Process Breakdown
The world began as a single seed prompt: a Danganronpa-inspired Hope's Peak Academy, and a 17-year-old Ultimate Model whose kindness is a skin with nothing underneath. From that, the AI wrote the world overview, the visual direction and the canon of two characters — Kurenai and Yan Wuyang — defining Kurenai's talent, appearance, mannerisms, fears and the exact way his warmth fails to reach his eyes.
From the premise the agent drafted the playable spine of 温柔的刀尖: the cafeteria opening, the core conflict of observation versus being seen, a relationship graph (curiosity, examination, detachment), four investigable threads — hollow, crack, deflection, hope — with clues, actions, discoveries, reveals and consequences, three story locations (the rooftop, the cafeteria, the midnight corridor), the Act as selector and the opening hook where Kurenai pushes the chair toward you.
Each character was painted as a vertical full-body card with GPT Image 2 in a consistent Danganronpa-inspired cel-shaded style — Kurenai in a sunlit café, Wuyang against a clean white ground — then a 16:9 key visual and two 16:9 scene backgrounds were generated for the rooftop and the corridor. The existing night handshake illustration anchors the first meeting outside the cafeteria.
The character cards were run through BiRefNet to produce true alpha-channel PNGs, checked against the scene art at full size, and uploaded next to the cover, the gameplay captures and the Studio screenshots. The roleplay itself was published as a single share link with autosave, so the whole story — art, prompts and play — is reachable without a build step.
Scene Backgrounds
Asset Prompts
"佐久间红莲，暗红色短发，灰色眼睛，白色毛领棕色风衣，内搭露腰白色上衣，白色长裤，站在明亮的咖啡馆里"
"严无洋，浅棕色短发带呆毛，浅棕色眼睛，白色衬衫与深蓝领带，黑色马甲，外披未拉链的浅灰连帽毛衣，深蓝牛仔裤与白色帆布鞋，Danganronpa风格全身立绘"
"Danganronpa anime style illustration, dramatic cel-shaded, cinematic cool night atmosphere. Outside a school cafeteria on a quiet night: two young men stand beneath a cold-white lamppost light that sways gently in the night wind, the pavement reflecting the harsh white glow, a dark night sky with thin clouds above. Character on the right (Sakuma Kurenai, the model): a 17-year-old, 178cm, very slim with long thin limbs, dark red short hair, calm gray eyes, wearing a white fur-collared brown trench coat over a waist-baring white top, white pants and white leather shoes. He just shook hands; one hand now tucked into his coat pocket. A precise, soft, warm smile on the surface, but his gray eyes carry a cold, curious distance. Character on the left (Yan Wuyang): a warm, sincere Chinese teenage boy, light brown short hair with an ahoge, light brown eyes, white shirt with a deep blue tie, black vest, unzipped light gray hoodie, navy blue jeans and white canvas shoes. He has just offered his hand in an honest, friendly gesture, expression gentle and slightly shy. Behind them a cafeteria table with two glasses of water catching the light. Mood: warmth threaded with a faint chill, quiet, a little lonely, subtle tension. Clean line art, dramatic rim lighting, anime key visual composition."
"Danganronpa anime visual-novel scene background, 16:9, no characters. A quiet school rooftop at night: chain-link fence and water tower silhouetted against a deep indigo sky, a full moon behind thin clouds, cold blue city lights far below, wet concrete reflecting the moonlight, one lonely bench and a vending machine glowing faintly. Cinematic wide composition, dramatic cel-shaded anime background art, crisp line art, moody desaturated blue palette with a single warm accent, strong atmospheric perspective, dust and night breeze, empty and beautiful, slightly unsettling stillness. No people, no text, no watermark."
"Danganronpa anime visual-novel scene background, 16:9, no characters. A long empty school corridor late at night: rows of classroom doors, tall windows on one side casting pale moonlight in sharp parallelograms across the polished floor, a single flickering fluorescent light at the far end, lockers and notice boards in deep shadow, dust suspended in the air. One-point perspective down the corridor, cinematic wide composition, dramatic cel-shaded anime background art, crisp line art, cold desaturated blue-green palette with one warm emergency light, strong rim light and long shadows, quiet and ominous, beautiful emptiness. No people, no text, no watermark."
Why Choose Neta Studio
Professional — a cloud harness runs the whole production from world building to roleplay direction to publishing, with no local setup. Stable access to the latest models: GPT Image 2 · BiRefNet · deepseek-v4-flash.
One-click generation — officially tuned skills drive every step: world building, roleplay drafting, character and scene generation, transparent cut-outs, in-browser visual QA and one-click publishing, with world fork and resource sharing built in — so every sprite, background and prompt on this page is reusable in your own world.
Community-first — users build unlimited worlds, and every public world can be forked, remixed and reimagined. Start from this Academy, or begin fresh from any idea — a one-line prompt is enough.
Studio Interior
Start Creating
温柔的刀尖 was generated by Neta Studio AI from a single world prompt — the world, the roleplay and the artwork all took minutes. You can do it too — step into this Academy, or start fresh from any idea. No coding required, free to start.