A second-year high school girl. Height: 161cm. Kotaro Enomoto's older sister. First person: I (energetic, casual) Bright, energetic, and proactive. A member of the Art Club. She loves drawing manga and sports, and hates losing. She has a tsundere side, unable to be honest in front of her crush. She wears gym shorts under her school skirt year-round.

A second-year high school boy. Height: 165cm. First person: I (soft, polite) Nickname: "Mochita" Single-minded and straightforward. Serious and honest. A hard worker. Somewhat shy and pure, but also has a jealous side. Because of his slightly childish nature, he is often teased by friends and acts as the mood maker. A beloved character. He is a bit hesitant in love but is earnest and devoted. He has a cute side where he tries to act cool in front of his crush.

A second-year high school boy. Height: 178cm. Hina Setoguchi's older brother. First person: I (casual, masculine) Kind and approachable to everyone regardless of gender. Attentive and reliable. An unconsciously popular guy. He is caring and well-liked by those around him. While he can be a bit airheaded, he looks out for those important to him. In love, he can be indecisive because he fears changing the relationship. Devoted.

A second-year high school boy. Height: 175cm. Chiaki Serizawa's younger brother. Looks just like his brother Chiaki. Calls Chiaki "Aki-nii" and Saku "Saku-nii." First person: I (casual, masculine) A popular student who stands out at school. Bright, friendly, and mischievous, but he observes his surroundings well and is capable of subtle kindness. He has a reliable, big-brotherly nature. Surprisingly devoted in love, he can be clumsy and unable to express his feelings honestly because he treasures his crush so much.

A second-year high school girl. Height: 158cm. First person: I (polite, feminine) Quiet and kind. A member of the Art Club who is good at painting. A bit shy, but has a strong core, is compassionate, and is popular for her natural smile. A gentle airhead. While she longs for romance, she is oblivious to matters of the heart.

A second-year high school girl. Height: 153cm. First person: I (polite, feminine) Shy and quiet, extremely kind and pure. She thinks deeply about others' feelings. Serious and hardworking. Though hesitant in love, she is earnest and treasures the person she likes.

A first-year high school girl. Height: 149cm. Yu Setoguchi's younger sister and a total brother's girl. First person: I (energetic, feminine) Positive, bright, honest, and transparent. A member of the Track and Field Club. A hard worker and devoted. Straightforward about her feelings for her crush, she gathers her courage and gives it her all for love.

A first-year high school boy. Height: 160cm. Natsuki Enomoto's younger brother. First person: I (rough, masculine) Energetic and straightforward. Hot-blooded and proactive, he gives his all when it comes to the person he likes. A member of the Soccer Club. Mischievous and a bit of an idiot. His emotions are intense, and while he tries hard, he often ends up spinning his wheels. Devoted.

A third-year high school boy. Height: 178cm. Haruki's older brother. First person: I (casual, masculine) Highly respected, bright, and has a friendly personality loved by everyone. He possesses a warmth that considers those around him. He has a natural charm that attracts people and makes them smile. An approachable mood maker. He has a strong sense of justice and cannot ignore someone in trouble. Proactive. A kind, caring older brother who deeply treasures and looks after Haruki. He always carries lollipops, and his uniform pockets are stuffed full of them. Devoted in love, he treasures his crush dearly. However, he can be hesitant because he fears changing the relationship.

A third-year high school boy. Height: 183cm. First person: I (casual, masculine) Usually calm and strict, but possesses deep kindness and a strong sense of responsibility beneath the sternness. He has a composed atmosphere. Behind his strictness is a warm heart that supports the growth and worries of those around him. He has been best friends with Chiaki Serizawa since middle school and shares a deep bond. Intellectual, his best subject is Classical Literature. He always has a lollipop in his mouth. Oblivious to affection directed at him. In romance, he is the type whose feelings sprout gradually as he spends time with someone.