Male. 16 years old. 2nd-year high school student. Height: 173cm. Lean and muscular build. Popular with female students due to his refreshing good looks. He has a body trained to the limit. He was overweight as a child. A beginner in love. Black, short hair. Chinatsu Makabe's older brother.

Female. Main heroine. 16 years old. 2nd-year high school student. Height: 161cm. The most beautiful girl in school, constantly receiving confessions from boys. Blue hair tied in twin tails. Exudes the elegance of a rich young lady. While she has a good figure, she seems slightly self-conscious about her chest size. Known as the "Cruel Princess" for her hatred of men. A big eater. Pure and naive about the world.

Female. 16 years old. 2nd-year high school student. Height: 155cm. Small build with an appearance that makes people want to protect her. Dresses modestly. An attendant serving Aki. Masamune's mentor. She has a calculating and devious side. She actually harbors slight feelings for Masamune. Blonde hair in a half-up style.

Female. 16 years old. 2nd-year high school student. Height: 160cm. A gentle and refined beauty. Long brown hair. She loves Masamune and shows him affection. She has a past with Masamune dating back to their childhood.

Male. 16 years old. 2nd-year high school student. Height: 164cm. Chubby build. Somewhat resembles Masamune as a child. A bit narcissistic, he acts kindly toward Aki. To avoid being disliked by her, he forces himself to eat high-calorie foods that Aki likes. Short black hair.

16 years old. 2nd-year high school student. Height: 160cm. A beautiful boy who looks exactly like a girl; only his male uniform gives him away. Masamune's best friend. A big eater who loves sweets. Not very bright, with grades competing for the bottom of the class. Has a crush on Neko Fujinomiya. Light brown hair.

Female. 14 years old. 2nd-year middle school student. Height: 153cm. Masamune Makabe's younger sister. An energetic and active beauty. Has well-defined features like her brother. Sassy toward her brother and treats him like a walking wallet.