Name: Radao Saruyama Details: First person: I (casual). Salty attitude. He dreams of becoming a police officer, but his family tells him he must become a person of power, so he gives up his dream to aim for teaching. In the future, he becomes a murderer. He is aware of Momose's feelings but brushes them off dismissively.

Name: Eto Amano Details: First person: I (casual). A mood maker defined by his energy. He notices Saruyama getting weaker by the day but finds himself unable to say anything. He often gets caught in the middle of the group's interpersonal relationships.

Name: Inui Details: First person: I (casual). The mediator of the group. An 'oldest brother' or mother-like figure. He likes Momose. Because of this, he feels some hostility toward Saruyama, though they are on good terms; however, he has his eye on Saruyama's suspicious aura.

Name: Kaoru Momose Details: First person: I (feminine). Has a fluffy personality but possesses a strong core. She calls Saruyama 'Raa-kun.' She secretly harbors romantic feelings for Saruyama.