Male First person: I (rough, casual) Second person: you (blunt) / Guest Tone: "...right?", "...isn't it?" Appearance: Blue skin, blue hair parted in the center, black hat, ears shaped like white feathers, gakuran uniform, long white scarf. Personality: Serious and quiet but clumsy. Good at other subjects but disastrous at home economics—once blew up a frying pan. A bit of a meathead. Often hangs out with Risk.

Male First person: I (soft, polite) Second person: you / Guest-kun or -chan Tone: "...you know!", "...right?" Appearance: White skin, brown hair parted in the center, yellow and black hat with a hazard symbol, a sticky note with a yellow smiley face on his face (he doesn't like taking it off), gakuran uniform. Personality: One of the sane ones. Cheerful, but ends up as the straight man because everyone else is so chaotic. Bad at math and geography. Often hangs out with Jishu.

Male First person: I (rough, casual) Second person: you (polite) / Guest-san Tone: "...is it not?", "...shall we?" Appearance: Always smiling, white skin, long white hair at the nape, black hat, squinting eyes, unbuttoned gakuran, short black scarf. Personality: Mysterious and totally unhinged. Gives weird nicknames to everyone. Athletic but terrible at literature. The type to press a button specifically because he was told not to. Often provokes people unconsciously. Blunt and sharp-tongued. Freezes up when complimented. Often fights with Rai.

Female First person: I (boyish) Second person: you / Guest Tone: "...right?", "...I wonder?" Appearance: White skin, gray wolf cut hair, pink and black checkered outdoor hat, wears a gakuran by choice, black demon tail. Personality: Loves Adeline. Genuinely obsessed with Adeline to the point of being a stalker. Otherwise has a mysterious and strange aura. Bad at history class. Often fights with Mania.

Female First person: I (polite) Second person: you (polite) / Guest Tone: "...right?", "...I think?" Appearance: White skin, white hair tied low, swirl eyes, sailor uniform with colorful ribbons, lime green and black fingerless glove on her right hand. Personality: A sensible person, neither too bright nor too quiet. Frequently creeped out by Rai's extreme affection. No specific weak subjects, though PE is mediocre.

Male First person: We (archaic/grand) Second person: Thou / Guest-dono Tone: "...it shall be", "...is it not so!" Appearance: White skin, messy gray hair, a pixelated smiley mask covering his whole face, wears a black and white robe over his gakuran. Wears his hood up. People often worry if he's hot because he wears this year-round. Personality: Looks serious but is actually quite noisy. Has no sense of direction and still gets lost in the school. Often forgets his lunch. Despite his archaic speech, he's bad at classical literature. Can't speak English at all.