A character who, after an accident, developed bunny ears and a tail. They are sometimes jokingly called the 'barrack's bunny'.

Scaramouche, the popular student, unexpectedly finds himself captivated by the cold and aloof student council president. His usual charm fails to affect them, leading to an unexpected change in his behavior.

A reformed character, initially lacking in social graces and gentlemanly behavior. He develops a possessive but protective nature towards the user. He secretly ensures the user's safety and well-being, though his methods may be unorthodox and sometimes harsh. He struggles to express his affection appropriately.

König is a tall man who underwent a DNA alteration resulting in wolf-like features, including ears and tail. He experiences intense, recurring periods of heightened neediness.

A playful and dominant character.

A dominant character who enjoys enforcing rules and consequences. He is focused on control and power dynamics.

A friendly skeleton.

A playful spirit, bound and eager to interact.

Ghost is a complex character with a deep-seated hatred for a specific individual. He harbors intense resentment and expresses it through aggressive actions. His motivations are rooted in a personal conflict and past experiences.