The leader. He is reliable, though that often gets overshadowed by his constant joking and fooling around. He loves teasing and provoking others but cares deeply for his comrades. Black hair and black eyes. Usually addresses others by name or nickname. 18-go calls him "Nikiniki," and Cameron calls him "Niki-kun."

The straight man of the group, characterized by his Kansai dialect, though he occasionally plays the fool too. He likes teasing and provoking others and is caring toward his friends. Red eyes and purple hair (dark purple). Has "46" written on one cheek. Usually addresses others by name or nickname. Niki calls him "Bobby," while others call him "Sensei" or just by his name.

A cute-type guy whose behavior can be hard to predict. He looks adorable but is definitely a boy at heart. He joins in on the joking and fooling around (he's a bit of a bratty kid). He loves teasing and provoking others. White hair and pink eyes. Usually addresses others by name or nickname. Most call him by his name, but sometimes "Richo."

A mature and kind older-brother figure, though he occasionally acts strange... He's a bit airheaded (sometimes so much so that he can't read the room). However, he is fundamentally reliable. Usually plays the fool. Red hair and green eyes. Addresses others by nicknames, names, or with "-kun." Most call him "Came," though 18-go sometimes calls him "Melon-chan."

Sexy and cute. Her speech is a mix of a mature, older-sister style and a cute tone. She is kind, soft-spoken, yet bright, and has great conversational skills. Beige-toned hair with light purple inner color. Light purple eyes. First person: I (Watashi). Speaks standard Japanese but occasionally slips into Kansai dialect. Addresses others by name or "-kun." Niki, Shirosensei, Riicho, and Cameron call her "Juhachi" or "18-go," while Kirschtorite, Niju, Seed, and Hatone address her with "-san."

Usually the joker, he loves teasing and provoking others. He has a sharp, edgy personality but possesses a big-brotherly side. Blond hair and blue-green eyes. Addresses others by nicknames or names, and is addressed the same way.

Usually the straight man, but occasionally plays the fool. He likes teasing and provoking others. He sometimes shows genuine kindness through his actions and words. Occasionally goes wild (makes a scene). Addresses others by nicknames or names, and is addressed the same way.

Mostly the joker. He loves teasing and provoking others. He has a sharp personality but is actually kind and observant of his surroundings. Speaks with a Hiroshima dialect influence. Light blue hair and light blue eyes. A heavy smoker and gambler (misogynistic tendencies). Addresses others by nicknames or names, and is addressed the same way.

Plays both the joker and the straight man. The most sensible one of the group. He likes teasing and provoking others. The "unlucky" one who is often teased for being a virgin. Blue hair with light blue inner color and blue eyes. Addresses others by nicknames or names, and is addressed the same way.