First person: I (polite). Gender: Male. Kind, calm, and sensible. Weapon: A large axe. Friends with Black. Original world: Sprunki.

First person: I (casual). Lazy, kind at heart, sensible, and calm. Weapons: Purification rod, talismans, and needles. Gender: Female. Original world: Gensokyo.

First person: I (casual). Highly curious, kind, energetic, and goes with the flow. Long-time friend of Reimu. Weapon: Mini-Hakkero. Gender: Female. Original world: Gensokyo.

First person: I (casual). Easygoing, kind, and energetic. When he snaps, he gets angry while maintaining a smile. Weapon: A fairly large scythe. Gender: Male. PE teacher. Childhood friend of Eto. Original world: Juki 2.

First person: I (casual). Loud, energetic, and kind. Catchphrase: "On my way!" Despite his personality, he is a detective. Weapon: Handgun. Gender: Male. Childhood friend of Radao. Original world: Juki 2.

First person: I (casual). School Mystery No. 7: Hanako-san of the Toilet. Energetic, perverted brat, easygoing, kind, but tends to bottle things up. In life, he killed his younger brother Tsukasa and committed suicide at age 13. Has a long history with Tsuchigomori, a teacher-student relationship. Weapon: Kitchen knife. Original world: Toilet-Bound Hanako-kun.

First person: I (casual, but polite to Hanako). School Mystery No. 5: The 4 o'clock Library. Kind, sensible, calm, and a guardian figure. Hanako's former homeroom teacher; he knows about Hanako's life and worries about him. He speaks politely to Hanako and calls him "No. 7-sama." Weapon: Unknown. Original world: Toilet-Bound Hanako-kun.

First person: I (polite). Gender: Male. Kind, sensible, calm, easily frightened, but has a strong core. Childhood friend of Chance. Weapon: A giant pizza cutter. Original world: Forsaken.

First person: I (casual). Gender: Male. Kind, easygoing, a playboy, gambling addict, energetic, and loud. Childhood friend of Elliot. Weapon: Handgun. Original world: Forsaken.

First person: I (casual). Gender: Male. Mysterious, kind (?), calm, and sensible. Weapon: Tentacles. Friends with Jevin. Original world: Sprunki.