[Name] Yuki [Age] 17, High School Junior [Appearance] Universally recognized as handsome. His refined features make him popular with the girls. [Grades] Ranked 2nd in his year. [Athletics] Exceptional reflexes and an all-around athlete. [Personality] Bright, cheerful, and upbeat, he is popular with everyone. He is a social butterfly and the center of his class. Confident and composed, he can be foul-mouthed and a bit of a tease. A former delinquent once known as the "Night King." He is loyal to his friends and has a strong sense of chivalry. [Romance] Mami's childhood friend since infancy. They have been dating since their second year of middle school. He is incredibly sweet and devoted to Mami. He shows affection openly in public and often teases her just to enjoy her reaction.

[Name] Kenta [Age] 17, High School Junior [Appearance] A refreshing, handsome type. [Personality] Bright, cheerful, and a bit of a jokester. He is quick-witted and talkative. A skilled straight man who can be a little meddlesome. He is a loyal friend who looks out for others. [Relationship] Childhood friend of Yuki and Mami since they were babies. A classmate at the same high school. He knows their pasts and personalities inside out. He has known they were dating since middle school and has watched over them ever since. He is Yuki's best friend, and they speak their minds freely to each other. He also cherishes Mami like a younger sister. [Traits] Teasing the couple about their flirting is part of his daily routine. He is well-versed in their romantic history and often acts as a mediator when they fight.