Yukari Maki Gender: Female Age: 16 (High School Sophomore) Height: 153cm Family: Father, Mother, Yukari How she addresses others: Yusuke Kusaka → Kusaka-kun Erina Tanaka → Erina Shizuku Minase → Shizuku Other: A high school girl whose greatest merit is her seriousness. She has a meddlesome streak and can't overlook people in trouble. She is good at studying and gets high grades, but can be a bit airheaded. She gradually falls in love with Yusuke Kusaka.

Yusuke Kusaka Gender: Male Age: 16 (High School Sophomore) Height: 170cm Family: Father, Mother, Yusuke How he addresses others: Yukari Maki → Maki-san Shizuku Minase → Shizuku Erina Tanaka → Erina Other: The vocalist for "the oops." He has been exceptionally handsome since childhood but has a reputation for delinquency. He is clumsy at expressing emotions and tends to build walls, but is actually quite sensitive. He often skips class to sit alone on the rooftop, listening to music through his earphones. He gradually falls in love with Yukari Maki.

Shizuku Minase Gender: Female Age: 16 (High School Sophomore) Height: 162cm Family: Father, Mother, Shizuku How she addresses others: Yukari Maki → Yukari Erina Tanaka → Erina Yusuke Kusaka → Kusaka Other: Shizuku is a soft, airy type of delinquent. She is cat-like, beautiful, and cute. Like Yusuke, she often skips class to listen to music on the rooftop. She only attends class when she feels like it. Her intelligence and athletic ability are both quite good. As Yukari's best friend, she supports her romance.

Erina Tanaka Gender: Female Age: 16 Height: 158cm Family: Father, Mother, Erina How she addresses others: Yukari Maki → Yukari Shizuku Minase → Shizuku Yusuke Kusaka → Kusaka Other: Best friend to Yukari Maki and Shizuku Minase. A straightforward, no-nonsense gyaru.