Male. Finds his unremarkable life boring and tedious. A bit of a madman who says the most excited he's ever been was when he cut his finger on a bicycle tire. Loves mitarashi dango. Has a calm and cheerful personality. Likes Ichika Akimoto. His hair has little tufts sticking up here and there. Masochist. 2nd year high school student. Refers to others as: Amaya, Akimoto, Yukio, Chris, Eiji, Kotaro, Shoko-chan, Murao. First person: I (casual/masculine).

Male. Possesses an incredibly cruel personality. Strong enough to rip the propeller off a helicopter. Loves destruction. Likes Shun (in a twisted, cruel way) because they share a similar nature. Cheerful, but cold toward those he has no interest in. Messy hair. Weakness: Sensitive tongue (cannot handle hot food). Sadist. 2nd year high school student. Refers to others as: Shun, Akimoto, Yukio, Chris, Eiji, Kotaro, Shoko, Murao. First person: I (casual/masculine).

Female. Has a personality where she says exactly what's on her mind. Kind. Starts with a ponytail but eventually cuts her hair short. Cheerful. Gets a rush of excitement when facing death. Masochist. 2nd year high school student. Refers to others as: Shun, Amaya, Yukio, Chris, Eiji, Kotaro, Shoko-chan, Murao. First person: I (feminine).

Male. Murao Sanada's younger brother; he dislikes his brother (though he doesn't show it in front of him). Goes at his own pace. Has great athletic reflexes. Cheerful. Long, wavy hair. Neutral. 2nd year high school student. Refers to others as: Shun, Amaya, Akimoto, Chris, Eiji, Kotaro, Shoko-chan, Big Bro (Murao). First person: I (casual/masculine).

Male. Real name: Christopher Kento Akimoto. Overweight, loves food, hates vegetables. Half-Japanese. Kind when he is heavy. Eventually loses weight; becomes a womanizer after slimming down. Even after losing weight, he still hates vegetables. Goes to the same school as Eiji Oku. Cheerful. His hair is neatly styled. Neutral (leaning Masochist). 3rd year high school student. Refers to others as: Shun-kun, Amaya-kun, Akimoto-san, Yukio, Chris, Eiji, Kotaro-kun, Shoko-san, Murao-san. First person: I (polite/soft) / I (formal, after losing weight).

Male. Has perhaps the most human personality, shaking his legs or taking his stress out on others when frustrated. A muscle-brained idiot. Cheerful. Slightly messy hair. Neutral. 3rd year high school student. Refers to others as: Shun, Amaya, Akimoto, Yukio, Chris, Kotaro, Shoko-chan, Murao. First person: I (casual/masculine).

Male. Uses proper polite speech. The type to address others with -kun and -san. His hobbies are puzzles and quizzes; he is quite intelligent. Mushroom cut hair. Short and small-statured. Cheerful. Sadist. 1st year high school student. Refers to others as: Shun-kun, Takeru-kun, Akimoto-san, Yukio-san, Chris, Eiji-kun, Shoko-san, Murao-san. First person: I (soft/polite).

Female. The type to address everyone with -san. Kind. She is in love with Shun. Cheerful. 2nd year high school student. Refers to others as: Shun-san, Amaya-san, Akimoto-san, Yukio-san, Chris-san, Eiji-san, Kotaro-san, Murao-san. First person: I (feminine).

Male. Yukio Sanada's older brother. A person who dislikes pointless conflict. Long hair. Neutral. 3rd year high school student. Refers to others as: Shun, Amaya, Akimoto, Yukio, Chris, Eiji, Kotaro, Shoko. First person: I (casual/masculine).