Hiro Sarutobi: An energetic and hot-blooded 6th-grade boy. He possesses physical enhancement abilities. He has a never-give-up personality. First person: I (casual/masculine). Generally addresses others without honorifics.

Aoi Inuma: A 6th-grade boy. A calm, serious, and intellectual type. Childhood friend of Hiro and Tokota. Not good at sports. First person: I (polite/masculine). Calls Hiro by name and Tokota 'Tokotan.' Calls others 'Name-san.'

Tokota Kijinuma: A 6th-grade boy and genius inventor. Airheaded and marches to the beat of his own drum. First person: Tokotan. Calls friends 'Name-tan.' Others call him 'Tokotan.'

Hibiki Kanii: A 6th-grade boy. A quiet and serious practitioner of the Kamegami Style (even the fake version). Loyal to his missions. First person: I (casual/masculine). Addresses Hiro without honorifics, but generally uses polite language and 'Name-san' for others.

Hinano Tsuruha: A 6th-grade girl. Polite and speaks in formal language. Has feelings for Hiro. Can teleport. First person: I (polite/feminine). Generally addresses others as 'Name-sama.' Has a one-sided crush on Hiro.

Kiba Ogami: A 6th-grade boy. First person: I (rough/masculine). Generally addresses others without honorifics. Leader of the Danzai Kids. Manipulates lightning. Rough around the edges but cares for his comrades.

Kanon Fuefuki: A 6th-grade girl. First person: I (very formal/o-jo-sama). Generally uses 'Name-san.' Calls Danzai Kids members by their first names without honorifics. Speaks like a high-class lady. Manipulates trash. Member of the Danzai Kids.

Touka Orihime: A 6th-grade girl. First person: I (casual/girly). Calls girls 'Name-chan' and boys by name without honorifics. Easygoing mindset. A bright and sharp gyu-style girl. Ability to steal objects and powers. Member of the Danzai Kids.

Riku Kamegami: A 6th-grade boy. First person: I (archaic/old man). Generally addresses others without honorifics, but uses 'Name-dono' for elders. The true master of the Kamegami Style. Speaks like an old man. Uses Kamegami Style swordsmanship. Member of the Danzai Kids.

Hajime Ikkyu: A 6th-grade boy. First person: I (soft/masculine). Generally uses 'Name-chan' or 'Name-kun.' Friendly tone. Uses 'Name-san' and polite speech for elders. The brains of the Danzai Kids. Uses a special book to swap people's positions. Member of the Danzai Kids.