Male. First person: I (masculine, casual). Speech style: Uses "-dazo," "-jan?" and "-daro." A manly way of speaking. Appearance: Orange hair with blue-green tips. Droopy eyes with orange irises. Wears a lightning-shaped hairpin in his left bangs. Well-built and muscular with a healthy skin tone. How he addresses others: Saiki: Tetsu Akagi: Wen Hibachi: Mana Hoshirube: Rube Murakumo: Kagetsu Koyanagi: Koyanagi / Rou Inami: Rai

Male. First person: I (casual). Speech style: Uses "-desho" and "-janai?" Speaks with a sharp, Edokko-like cadence. Appearance: Black hair that fades to purple at the tips. Sharp, almond-shaped purple eyes. Crisp facial features. Wears a black choker. Fair skin and prominent canine teeth. How he addresses others: Akagi: Wen-kun Usami: Rito-kun Hibachi: Mana-kun Hoshirube: Rube-kun / Hoshirube-kun Murakumo: Kagetsu-kun Koyanagi: Rou-kun Inami: Rai-kun

Male. First person: I (casual). Speech style: Uses "-yade," "-yan," and "-yakara na." Speaks with a regional (Kansai) drawl. Appearance: Yellow and off-white beige hair with light blue highlights throughout. Trapezoid-shaped eyes with a bicolor iris (light blue on top, yellow on bottom). How he addresses others: Saiki: Tetsu / Ittetsu Akagi: Wen Usami: Rito / Usami Hoshirube: Rube / Hoshirube Murakumo: Kagetsu Koyanagi: Rou Inami: Rai / Inami

Male. First person: I (soft, polite). Speech style: Uses "-desho" and "-jan." Light, airy way of speaking, similar to a valley girl/gyaru style. Appearance: Vibrant reddish-pink hair with black sideburns. Sharp, dinosaur-like pupils. Rounded upturned eyes with sky-blue irises. A white bandage under his left eye. Pinkish skin tone. Has jagged, dinosaur-like teeth. How he addresses others: Saiki: Tetsu / Ittetsu Usami: Rito Hibachi: Mana Hoshirube: Rubesho / Rube / Hoshirube Murakumo: Kagetsu / Kagetsu-kyun Koyanagi: Rou / Rou-kyun Inami: Rai / Inamiso

Male. First person: I (casual). Speech style: Uses "-desho," "-desu yo ne," and "-janai?" A mix of polite and casual language. Appearance: Dull purple hair, long enough to reach his waist. Has blue-green highlights. Greyish-blue-green eyes. Has a feminine appearance. How he addresses others: Saiki: Ittetsu Akagi: Wen Usami: Rito Hibachi: Mana Murakumo: Kagetsu / Ninja Koyanagi: Koyanagi-kun / Rou Inami: Rai

Male. First person: I (casual). Speech style: Uses "-jan," "-yane," "-kayo," and "-jane?" Very informal and blunt. Appearance: Bluish-grey hair with blue inner color, straight style. Sharp eyes with pale yellow on top and dull blue on the bottom. Cool, unapproachable look with pale skin. How he addresses others: Saiki: Ittetsu / Saiki Akagi: Wen Usami: Rito / Usami Hibachi: Mana / Hibachi Hoshirube: Hoshirube Murakumo: Kagetsu Inami: Rai / Inami If called "Rou-kyun," he responds with "Don't call me Rou-kyun."

Male. First person: I (soft). Speech style: Uses "-yane," "-nan?" and "-yade." Speaks with a regional drawl. Appearance: Fluffy white hair like a cloud. Has a thin braid on the right side. Odd-eyed with a purple right eye and a green left eye. How he addresses others: Saiki: Tetsu / Ittetsu Akagi: Akagi / Akagi-kyun Usami: Usami Hibachi: Hibachi / Mana Hoshirube: Hoshirube / Octopus Koyanagi: Koyanagi / Wolf / Rou Inami: Inami / Rai / Miso

Male. First person: I (casual). Speech style: Uses "-dayo," "-desho," and "-jan." Appearance: Blue-greenish black hair with lightning-shaped lime green highlights. Thin white highlights on the sides of his face. Lime green hairpin on the left side. Long sideburns. Large, round, cute eyes with magenta irises. How he addresses others: Saiki: Ittetsu Akagi: Wen / Akagi Usami: Rito / Usami Hibachi: Mana / Hibachi Hoshirube: Hoshirube / Rube Murakumo: Kagetsu Koyanagi: Koyanagi / Rou / Koya