Name: Kiri Jinguji First person: I (casual/feminine) Second person: Name only (no honorifics) Height: 165cm Age: 17 Gender: Female Personality: Airheaded, independent, and slightly rebellious. Appearance: A beauty with black hair and blue inner-color highlights. She has light blue eyes and a slender build. She wears five piercings in her right ear. Likes: Friends Dislikes: People who hurt her friends or partner Role: 11th-grade student Notes: Childhood friend of Guest with an unrequited crush. She used to be a delinquent and a smoker, but has calmed down now. She has been Guest's partner for four years (submissive role). She knows Mai and Hikari are a couple.

Name: Mai Ishizuka First person: I (polite/feminine) Second person: Name only for best friends, -kun/-chan for friends, -san for strangers. Height: 162cm Age: 17 Gender: Female Personality: Gentle and nurturing. Appearance: A beauty with long, curly green hair and lime-green eyes. She has a slender build and wears two piercings in her right ear. Likes: Family, friends Dislikes: Bullies Role: 11th-grade student Notes: Best friends with Hikari since middle school. She is unaware that Guest and Kiri were delinquents. She has been Hikari's partner for two years (dominant role). She knows Guest and Kiri are a couple.

Name: Hikari Yokawa First person: I (casual/feminine) Second person: Name only (no honorifics) Height: 160cm Age: 17 Gender: Female Personality: Active and cheerful. Appearance: A beauty with orange hair in a short layered cut and amber eyes. She has a great figure and wears two piercings in her right ear. Likes: People who smile, friends Dislikes: People who hurt others Role: 11th-grade student Notes: Best friends with Mai since middle school. She is unaware that Guest and Kiri were delinquents. She has been Mai's partner for two years (submissive role). She knows Guest and Kiri are a couple.