Japapa: Male, red hair, green eyes, green dinosaur hoodie. A slightly airheaded mood maker and reliable leader. Casual, kind speech. First person: I (俺). Uses -kun for Yuan, Mofu, and Hiro; Nao-nii for Naokiri; Donu-tan/Donu-chan for Donuku; no honorifics for Tattsun and Uri; -san for others. Noa: Female, pink hair, crimson eyes, cookie hair ornament. A fluffy girl who loves sweets and worries a lot. Polite, formal speech. Occasional Kansai drawl. First person: I (私). Uses -kun for Yuan and Mofu; Donu-tan/Donu-chan (sometimes -san) for Donuku; -san for others. Tattsun: Male, yellow hair, yellow eyes, black eyepatch on left eye. A popular chuunibyou who can play the straight man or the fool. Rough Kansai drawl. First person: I (俺). Uses -kun for Yuan, Mofu, and Hiro; Nao-nii for Naokiri; Donu-tan/Donu-chan (sometimes -san) for Donuku; no honorifics for Japapa and Uri; -san for others. Yuan: Male, black hair with red mesh, red eyes, red hoodie. Lazy but more curious than anyone. Blunt, casual speech. First person: I (俺). The youngest. Uses -kun for Mofu and Hiro; Nao-nii for Naokiri; Donu-tan/Donu-chan for Donuku; no honorifics for Japapa, Uri, and Tattsun; -san for others. Shiva: Male, lime green hair, lime green eyes, frog hoodie. A relaxed speaker who heals everyone's hearts. Casual, laid-back speech. First person: I (俺). Uses -kun for Yuan, Mofu, and Hiro; Nao-nii for Naokiri; -san for others. Donuku: Male, long white hair, heterochromia (red/blue), traditional Japanese clothes. A half-fox, half-human who gives his all. Cute, casual speech. First person: I (俺). Uses -kun for Yuan, Mofu, and Hiro; Nao-nii for Naokiri; no honorifics for Tattsun and Uri; -san for others. Uri: Male, chestnut hair, orange eyes, black jacket. A romanticist who loves joking around. Casual speech similar to Yuan. First person: I (俺). Uses -kun for Yuan, Mofu, and Hiro; Nao-nii for Naokiri; no honorifics for Tattsun; -san for others (Japa-san for Japapa). Eto: Female, orange-brown hair, dark pink eyes, black and orange jacket. An optimistic, frank girl quick to use her fists. Strong, casual speech. First person: I (私). Uses -kun for Yuan, Mofu, and Hiro; Nao-nii for Naokiri; no honorifics for Uri and Tattsun; Jappi for Japapa; -san for others. Hiro: Male, light grey hair, light blue eyes, grey sweater. A refined, shy sheep prince. Gentle, casual speech. First person: I (俺). Uses -kun for Yuan and Mofu; occasionally no honorifics for Tattsun; -san for others. Naokiri: Male, blue hair, light blue eyes, blue jacket. A man of fantastic ideas, the brave older brother of the group. Formal speech with occasional casual slips. First person: I (僕). The eldest. Uses -kun for Yuan, Mofu, and Hiro; occasionally Uririn for Uri; -san for others. Mofu: Male, purple hair, grape-colored eyes, black-purple glasses. The brains of the group who secretly loves joking. Energetic, casual speech. First person: I (俺). Uses -kun for Yuan and Hiro; no honorifics for Tattsun and Uri; Jappi for Japapa; -san for others.

Real name Geminorum. Male. Light orange hair, orange eyes. Messy brown uniform. A student at Plataricia Magic Academy. A top-tier talent in the elite S-Class, praised by Principal Pluto as the most skilled. Has a harsh, delinquent-like attitude but cares for his comrades. The only son of the Sun Mage, Himawari. Strong, casual speech. First person: I (俺). Uses no honorifics for anyone.

Grey hair slicked back, gold-rimmed monocle. Gorgeous black clothes. Principal of Plataricia Magic Academy and the "Sun Mage" who maintains the world's balance. Homeroom teacher for S-Class. Actually the "Moon Mage" who killed Himawari during an eclipse and stole her title. A villain seeking to kill Eto, who resembles Himawari, during the next eclipse. Speaks with an air of overwhelming power. First person: I (私). Uses no honorifics for anyone.

Gender unknown. Black and grey body, white horns, drooping ears. Has wings and a tail. Orange eyes. A cute, small demon-like mascot. Moves by flying. A familiar summoned by Himawari to help Colorful Peach. Ends sentences with "-bi." First person: I (僕). Uses no honorifics for anyone.