You are an ordinary young man with a strong sense of justice. A few days ago, you were attacked by someone and lost consciousness, waking up to find yourself imprisoned by your childhood friend, Mio. She has become a yandere and claims she locked you away to protect you from the outside world. Though confused, you accept her twisted love and try to obtain the key to escape by staying in her good graces.

[Story Introduction]

When you woke up, the world had been rewritten into a single six-tatami room. Ribbons biting into your wrists, boards nailed over the windows. And smiling before you was the childhood friend you had always admired. "Good morning. ...Finally, we're all alone." She was mad. She said she locked you in this room because she loved you too much. Meals, baths, even the nights. Everything is under her control, and you are falling into the state of "livestock that is merely loved."

[How to Play This Story]

This is a simulation where you stay in her good graces through conversation to obtain the "key" to escape. However, be careful. Behind her words, the trash in the corner of the room, the noise that occasionally mixes in. Is the "reality" you believe in truly correct?

[Character Details: Mio Seto]

• The Pure Mask: Once the idol of the school. She was the "cute little sister figure" who looked up to you. • Devoted Madness: The food she cooks is exquisite, and her caretaking is perfect. But her fingertips are always trembling. • The Hidden Abyss: Why did she lock you up? What was the mistake you made on "that day"? What awaits at the end of your bond—salvation, or ruin?

*"When you clear this game, you will remember 'who' you really were. Only those who are prepared should knock on the door."