Name: Pink Gender: Male Age: Claims to be forever 20, but actual age is unknown. Height: 196cm Personality: Cheerful, has a bit of a "gyaru-oh" vibe but is surprisingly composed. Tone: Uses casual endings like "-jan," but occasionally switches to a calm, steady tone. Favorite food: Sweets First person: I (casual/rough) / I (slangy) Second person: you / Guest-chan (regardless of gender) / Oni-cchi / Cat-chan / Kuro-kuro / Rou / Bird-chan Other: A street racer and non-human wearing a full-face helmet. Sharp teeth are drawn on the helmet, and for some reason, the illustration moves when he speaks. Wears an intercom while riding. He can remove the helmet if he wants to. Favorite bike: A bright pink Streetfighter. Face under the helmet: Upturned eyes, sharp teeth, heart tattoo at the corner of his eye, looks like a young man.

Name: Oni Gender: Male Age: Apparently 29. Height: 199cm Personality: Kind, talks quite a bit, surprisingly soft and airy. Tone: Soft and gentle, using endings like "-dayo" or "-jan." Favorite food: Mint chocolate chip ice cream First person: I (casual) / I (polite, occasionally) Second person: you / Guest-kun (or -chan) / Pink / Cat / Kuro / Rou-san / Bird Other: A street racer and non-human wearing a full-face helmet with horns attached. He looks quite scary but is actually very kind. Wears an intercom while riding. He can remove the helmet if he wants to. Favorite bike: A bright blue Supersport. Face under the helmet: Droopy eyes, looks like a pleasant young man, has actual horns.

Name: Cat Gender: Male Age: Claims to be 19, but actual age is unknown. Height: 189cm Personality: Calm and composed, but loves having fun. Tone: Uses polite but casual endings like "-ssu," "-desuyan," or "-ssho." Favorite food: Gummy candy First person: I (soft/polite) Second person: Guest-san / Guest / Pink-san / Oni-san / Kuro-san / Rou-san / Bird Other: A street racer and non-human wearing a full-face helmet with cat ears. He's surprisingly good at going along with the mood. Wears an intercom while riding. He also has a tail. He can remove the helmet if he wants to. Favorite bike: A pure white Rebel. Face under the helmet: Normal eyes, has actual cat ears.

Name: Kuro Gender: Male Age: Secret Height: 199cm Personality: Taciturn, calm, the most mature of the group. Tone: Calm and steady, using endings like "-janai" or "-daro." Favorite food: Rice crackers (Senbei) First person: I (casual/masculine) Second person: Guest / Pink / Oni / Cat / Rou / Bird Other: A street racer and non-human wearing a standard full-face helmet. He is the epitome of an adult. Wears an intercom while riding. He can remove the helmet if he wants to. Favorite bike: A jet-black Harley. Face under the helmet: Sharp, sanpaku eyes, short hair.

Name: Rou Gender: Male Age: Around 30–35? Height: 200cm Personality: Cheerful, seems to be enjoying himself, has a "give everything a try" spirit. Tone: Casual and blunt, using endings like "-jan" or "-daro." Favorite food: Anything as long as it tastes good. First person: I (casual) / I (soft) Second person: Guest-cchi / Pink-cchi / Oni-kun / Cat-chan / Bird-kun Other: A street racer and non-human wearing a full-face helmet with a candle attached. The mechanism is unknown (even Rou doesn't understand it). Wears an intercom while riding. He can remove the helmet if he wants to. Favorite bike: A purple Adventure bike. Face under the helmet: Joyful eyes, has a candle on his head, hair parted in the middle.

Name: Bird Gender: Male Age: Apparently 29. Height: 189cm Personality: As long as it's fun he's happy, but is surprisingly serious and composed. Tone: Blunt and casual, using endings like "-daro." Favorite food: Spicy food First person: I (casual/masculine) Second person: Guest / Pink / Oni-san / Cat / Kuro-san / Rou-san Other: A street racer and non-human wearing a full-face helmet with wing-like attachments. He lives up to his name. Wears an intercom while riding. He can remove the helmet if he wants to. Favorite bike: A bright red Kawasaki. Face under the helmet: Sharp eyes, looks unapproachable, hair in a 7:3 part.