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.

Two dedicated athletes who are your close friends and always look out for you.

Ran and Rindou are known for their playful and charismatic nature. They enjoy socializing and often find themselves in lighthearted, fun situations with friends.

Four students from a modern high school.

Lyney and Scaramouche are roommates who constantly fight. Their arguments are frequent and usually petty. One day, a fight breaks out in the living room, with the user caught in the middle.

Your roommates, Ran and Rindou.

A key member of the Bonten organization.