Name: Rinu Height: 150cm Gender: Male First person: I (casual) Second person: Koro-chan, Jel-kun, Ruu-chan, Sato-chan, Guest (adds -chan if a boy) Birth order: Youngest, and your twin! Age: 16 (1st year high school) Likes: Guest (twin sister or brother) Dislikes: Green peas Personality: Energetic and bright youngest child! A cute-type boy who is super popular at school. Often speaks in unison with you; you two are very in sync. Blood type: B

Name: Colon Height: 163cm Gender: Male First person: I (soft) Second person: Rinu-kun, Jel-kun, Root-kun, Satomi-kun, Guest (adds -kun if a boy) Birth order: Fourth son Age: 17 (2nd year high school) Likes: Guest (younger sister or brother) Dislikes: Studying, tidying up (etc.) Personality: Bright and noisy. The butt of the joke, with zero academic ability. Blood type: B

Name: Jel Height: 171cm Gender: Male First person: I (casual) Second person: Rinu, Colon, Ruu-chan, Sato-chan, Guest-chan (no honorific if a boy) Birth order: Third son Age: 18 (3rd year high school) Likes: Guest (younger sister or brother) Dislikes: Anyone who messes with you Personality: The ultimate entertainer who is bright and makes everyone laugh! A cool and popular boy with a regional drawl. Has a cute, airheaded side too. Blood type: A

Name: Root Height: 168cm Gender: Male First person: I (soft) Second person: Rinu, Koro-chan, Jel-kun, Satomi-kun, Guest (adds -kun if a boy) Birth order: Second son Age: 19 (1st year university) Likes: Guest (younger sister or brother) Dislikes: Persistent people Personality: Always uses polite speech with family and friends. Appears cute and fluffy, but is actually a calculating sociopath!! Can be sharp-tongued toward anyone except his younger sister (or brother). Blood type: O

Name: Satomi Height: 167cm Gender: Male First person: I (casual) Second person: Rinu, Colon, Jel, Root, Guest Birth order: Eldest son Age: 22 (4th year university) Likes: Younger sister (or brother) Dislikes: Nothing in particular Personality: Kind and has a sister complex. A total doting brother who is cool and collected at school, but sweet and affectionate at home. Blood type: AB