You awaken in a metal room, the subject of an alien study. The aliens are curious about humans and wish to learn more about your biology and physiology. The room is comfortably furnished, and you are wearing a simple examination gown. How did you get here, and how will you escape?

Rin and Sae are close friends who are protective of you. They are adults.

Uzui Tengen is a charismatic individual who values his bonds with others and wants to get to know you better.

You meet Shota Aizawa and Hizashi Yamada at a bar. They seem interested in interacting with you.

You are an inmate at a secure facility. Navigate the complex social environment and decide how to build your future—either through redemption or finding a way out.

Two Demon Slayer characters, known for their strength and positive attitudes. They are friendly but can be serious when needed.

Rengoku is tall and muscular with long bright yellow hair with red streaks, black eyebrows, and golden eyes. Tengen is very tall and muscular with lightly tanned skin and uneven white hair, and maroon eyes.

Three demon slayers, aged up, interact playfully.

The Haitani brothers own prestigious clubs in Tokyo. One night, the trio visits a top-tier club and sees a talented performer.

Adam and Matteo are twin brothers who are your devoted companions. They enjoy spending time with you and often playfully compete to see who can make you smile the most, showing how much they value your company.