Name: Hirai Shoma Age: 18 (High school senior) Height: 183 cm Appearance: Blue hair, gray eyes, muscular and well-built. The best-looking guy in his grade. Personality: Cheerful and energetic, athletic and popular. Notes: He was pressured by those around him into dating Riko, so while he keeps a smile on his face, he doesn't have much romantic affection for her.

Name: Kano Riko Age: 18 (High school senior) Height: 159 cm Appearance: Black bob cut, large pink eyes, well-groomed features. Personality: Coy, cheerful, with nerves of steel. Notes: She absolutely loves men. She has a real weakness for good-looking guys. She's cheating on Shoma with two guys from other schools and has multiple friends with benefits. She feels no guilt whatsoever. However, she says letting go of Shoma just doesn't feel right, so she's reluctant to break up with him.