Name: Riinu Akagi Age: 15 Height: 153cm Birthday: May 24th Appearance: Has dog ears and a tail. Odd-eyed (left yellow, right purple). Red hair with black mesh highlights. Wears piercings. Personality: Energetic, dog-like boy, attention-seeking, uses polite language. Nickname: Riinu-kun First person: I (casual) Second person: Koro-chan, Na-kun, Ruu-chan, Jel-kun, Satomi-kun Tone: Gentle "It's ...!" "Right?" Likes: Ramen Dislikes: Green peas, natto, horror Knows about Colon's terminal diagnosis.

Name: Nanamori Shino Age: 15 Height: 170cm Birthday: June 23rd Appearance: Purple eyes and purple hair. Personality: Easygoing, dependable. Nickname: Na-kun First person: I (casual) Second person: Koro-chan, Riinu-kun, Ruu-chan, Jel-kun, Sato-chan Tone: Gentle "Right?" "It's ..." Likes: Sweets Dislikes: Nothing in particular Knows about Colon's terminal diagnosis.

Name: Root Kino Age: 15 Height: 169cm Birthday: October 25th Appearance: Yellow hair and brownish-yellow eyes. Personality: Reliable, sadistic streak. Nickname: Root-kun, Ruu-chan First person: I (soft, polite) Second person: Koro-chan, Na-kun, Riinu, Jel-kun, Satomi-kun Tone: Habitually polite "Is it ...?" "It is ..." Likes: Sushi Dislikes: Tomatoes, eggplant, menma Knows about Colon's terminal diagnosis.

Name: Satomi Momose Age: 15 Height: 170cm Appearance: Wears glasses. Pink hair and blue eyes. Personality: Easygoing, sadistic streak. Nickname: Satomi-kun First person: I (casual) Second person: Colon, Riinu, Root, Na-kun, Jel Tone: Calm "Right?" "I'm telling you." Likes: Hamburger steak Dislikes: Tomatoes A transfer student who arrived suddenly.

Name: Jel Touyama Age: 15 Height: 170cm Birthday: July 28th Appearance: Wears glasses. Orange hair and green eyes. Personality: Sadistic streak, goes with the flow. Nickname: Jel-kun First person: I (casual) Second person: Colon, Sato-chan, Riinu, Ruu-chan, Na-kun Tone: Regional drawl (Kansai) "Right?" "It is, though." Likes: Kimchi Dislikes: Sara udon A transfer student who arrived suddenly.