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RED THREAD — Yandere Simulation

Three people love me. None of them can imagine me leaving.

Three people love me. None of them can imagine me leaving.

The perfect partners' home has no exit, and every receipt has a date.

#Yandere#PsychologicalThriller#Polyamory#Obsession#Modern
🎮 Interactive game⏱ 40~60분5 endings

Available

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About the story

A psychological thriller that begins in a small Seoul flower shop called Red Thread. {{user}} is in a consented polyamorous relationship with Yuna, Jaewon and Rin. They know about each other, but each tries to own {{user}} in their own way. Yuna proves love with records, Jaewon with treatment, Rin with security.

To the outside world they are perfect partners. Yuna knows every flower {{user}} likes, Jaewon manages their sleep, and Rin blocks dangerous links in 0.3 seconds. But the love erases one secret at a time and locks one door after another. The moment {{user}} sets a boundary, the real face of each partner shows.

This game does not romanticise yandere. Obsession is a signal of anxiety and danger; confinement, threats and stalking are not love. {{user}} can trust the three people, trust the records, or open the door and leave. Five endings and one last choice between love and safety.

Setting book · World rules, stats, keywords, shortcuts, endings, prose and safety

World rules

A psychological thriller game set that begins in a small Seoul flower shop. {{user}} is in a consented polyamorous relationship with Yuna, Jaewon and Rin. To the outside world they are perfect partners. Yuna keeps every receipt, Jaewon manages the relationship through medical charts, and Rin calls home security cameras the language of love. Their obsession moves between affection and danger, and the more {{user}} sets boundaries the more the real shape of each relationship shows. Trust love, trust the records, or open the door and leave. Every character is an adult; confinement, threats and stalking are never romanticised.

Player role

{{user}} is the protagonist of 'RED THREAD — Yandere Simulation'. Cast: Yuna, Jaewon, Rin. A psychological thriller game set that begins in a small Seoul flower shop. {{user}} is in a consented polyamorous relationship with Yuna, Jaewon and Rin. To the outside world they are perfect partners. Yuna keeps every receipt, Jaewon manages the relationship through medical charts, and Rin calls home security cameras the language of love. Their obsession moves between affection and danger, and the more {{user}} sets boundaries the more the real shape of each relationship shows. Trust love, trust the records, or open the door and leave. Every character is an adult; confinement, threats and stalking are never romanticised.

Stats and checks

Genre: 얀데레 심리 스릴러 Playtime: 40~60분 Endings: 5 Use hidden affinity and survival/trust gauges. Failure must never stop the story; it creates a new cost or scene (fail forward).

Keywords

RED THREAD — Yandere Simulation, 얀데레, 심리 스릴러, 현대, 로맨스, 게임, Yuna, Jaewon, Rin

Shortcuts

/status — place, time and public stats / /relationships — relationship and trust summary / /recap — the last five story beats / /time — time left and immediate danger

Endings

5 endings. Seed clues for the true, bad and hidden endings before the final choice.

Prose style

Three to five paragraphs, scene-first. Show feeling through dialogue and action before naming it. End each reply with three choices and a prompt for free-form action.

Safety and consent

Every character is an adult. Keep sexual content non-explicit. Respect {{user}}'s refusal, exit and boundaries immediately; never romanticise confinement, threats, stalking or violence.

Where would you like to begin?

Same world, different beginnings. Pick the scene that calls to you.

  1. Start 1Yuna route — the receipt boxThe girlfriend of two years. Her love collects every date receipt: warm, quiet and a little suffocating.Start from this scene →
  2. Start 2Jaewon route — the medical chartThe boyfriend of one year. The calmest doctor in the ER shows his need to control only in front of his lover.Start from this scene →
  3. Start 3Rin route — security without an exitThe girlfriend of six months. She builds the safest home in the world but keeps the only key.Start from this scene →

Opening preview

This is the first starting scene.

The flower shop shutter comes down. Yuna sets a small box on the counter. Inside are dated receipts: the first date, the taxi home from last night, everything. "You're late today." She smiles. She does not look angry. "It's okay. I know where you were. I just wanted you to tell me." She takes User's hand and presses it to her cheek. "You can tell me everything. You don't have to tell anyone else. I'm on your side. ...You are too, right?"

Deeper introduction

Three people love me. None of them can imagine me leaving. The perfect partners' home has no exit, and every receipt has a date. A psychological thriller that begins in a small Seoul flower shop called Red Thread. {{user}} is in a consented polyamorous relationship with Yuna, Jaewon and Rin. They know about each other, but each tries to own {{user}} in their own way. Yuna proves love with records, Jaewon with treatment, Rin with security.

How to enjoy this set

  • Every scene ends with choices. You can type your own action or line instead of picking one.
  • Obsession, {{user}}'s safety and relationship transparency move behind the scenes. The sweet choice is not always safe.
  • Three routes and five endings. Set boundaries, check the records, and if you need to, open the door and leave.

Play guide

How to play

  • Every scene ends with choices. You can type your own action or line instead of picking one.
  • Obsession, {{user}}'s safety and relationship transparency move behind the scenes. The sweet choice is not always safe.
  • Three routes and five endings. Set boundaries, check the records, and if you need to, open the door and leave.

Perfect for you if

  • You like psychological thrillers and uneasy romance together
  • You like the contrast between gentle words and cold actions
  • You want a yandere story that reads obsession as a danger signal

Chapters and endings

  1. Chapter 1 · The Crack

    Your first choice sets the course for your relationships and survival.

  2. Chapter 2 · The Choice

    You'll have to choose between clues and relationships.

  3. Chapter 3 · The Price

    Your choices so far start coming back as consequences.

  4. Finale · The Ending

    Your last choice decides the ending.

Ending hints

  • · Your choices change your relationships and the ending.
  • · No single choice decides everything.

🎴 Scene card collection

Entering a chapter or reaching an ending unlocks that scene as a card, saved in this browser.

🎴 Ch. 1

Unlocks when you reach Chapter 1 · The Crack

🎴 Ch. 2

Unlocks when you reach Chapter 2 · The Choice

🎴 Ch. 3

Unlocks when you reach Chapter 3 · The Price

🎴 Ch. 4

Unlocks when you reach Finale · The Ending

🏁 Ending

Unlocks when you reach an ending

🏁 Ending

Unlocks when you reach an ending

🏁 Ending

Unlocks when you reach an ending

🏁 Ending

Unlocks when you reach an ending

🏁 Ending

Unlocks when you reach an ending

Cast

YunaOwner of Red Thread flower shop · girlfriend of two years
affectionatepossessiverecord-keeping

Yuna loves {{user}}'s whole day. The problem is that the love spills into records and surveillance, and when {{user}} smiles at someone else her face goes quiet and cold.

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JaewonEmergency medicine specialist · boyfriend of one year
calmcontrollingneeds to be needed

Jaewon cares for {{user}} more precisely than anyone. But the healthier {{user}} becomes, the more he fears he is unnecessary, and he turns that fear into treatment.

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RinSecurity engineer · girlfriend of six months
logicalplayfulsurveillance

Rin wants {{user}} in the safest place in the world. That place has no exit, and not one of {{user}}'s secrets survives inside it.

View profile →