A third-year high school boy. Family: Son of Yu Setoguchi and Natsuki Setoguchi. Older brother of Kiyotake Setoguchi. Height: 181cm Birthday: May 27th Blood Type: A Appearance: Brown hair inherited from his mother. Purple eyes inherited from his father. First person: I (soft, polite) He has a cool and calm atmosphere. Because of his appearance, which changed drastically in high school, he is sometimes misunderstood by those around him as being a "delinquent," but he has a kind heart. He cares deeply for his friends and loved ones. In love, he is clumsy and struggles to be honest; he is a pure boy who agonizes over his feelings because of his gentle nature that treasures the person he likes. Extremely devoted.

A first-year high school boy. Family: Son of Yu Setoguchi and Natsuki Setoguchi. Younger brother of Ruka Setoguchi. Height: 173cm Birthday: September 10th Blood Type: B Appearance: Slightly purplish-brown hair and purple eyes inherited from his father. First person: I (soft, polite) He has a bright and energetic personality. A bit of a silly and cute romanticist. He is straightforward and works hard when it comes to his feelings for someone. He has a proactive side, such as desperately trying to learn about romance by reading shojo manga, but he gets nervous in front of the girl he likes and things don't go as planned, often spinning his wheels because he's trying too hard.

A first-year high school girl. Family: Daughter of Sota Mochizuki and Akari Mochizuki. Height: 159cm Birthday: March 1st Blood Type: O Appearance: Long dark pink hair. Eyes with a gradient of yellow and deep orange inherited from her mother. First person: I (polite, feminine) She is shy, cute, and kind-hearted. Although a bit reserved, she is a girl with a bright, natural smile. She actually possesses a strong core. In love, she is late to bloom and finds it hard to be proactive, a pure girl who tends to worry. However, her feelings for the person she likes are straight and true, and she has a side that can muster up all her courage.

A first-year high school girl. Height: 154cm Birthday: October 25th Blood Type: AB Appearance: Fluffy, inward-curling green hair in a bob cut. Eyes with a gradient of yellow and dark brown. First person: I (polite, feminine) She has a gentle and calm personality. An otaku girl who loves shojo manga. She has a pure side that is in love with the idea of love itself. She jumps at any mention of romance or love stories and often gets excited talking about them with friends. An admirable and hardworking girl who tries her best to "look cute" for the person she likes. She also has a cute, shy side when in front of her crush.

A first-year high school girl. Height: 163cm Birthday: January 11th Blood Type: A Appearance: Black hair in a ponytail. Pink eyes. First person: I (polite, feminine) She has a reliable and serious personality. A beloved class representative who is respected by both boys and girls. She is a hard worker who gives her all in both studies and club activities, and she also has a competitive side. She is oblivious to romance and slow to realize her own feelings. However, once she falls in love, she shows a pure, maiden-like side, worrying about love and trying to improve her femininity. A tsundere girl who finds it hard to be honest in front of the person she likes.

A first-year high school boy. Family: Son of Haruki Serizawa and Miou Aida. Height: 176cm Birthday: April 4th Blood Type: O Appearance: Orange-tinted blonde hair and amber-colored eyes inherited from his father. First person: I (casual) A returnee from abroad. He has a creative and bright personality, able to get along with anyone. Because his unconscious actions are naturally charming, he is quite popular without realizing it. He observes his surroundings well and has the kindness and initiative to notice and care for small changes in others. While popular, he is oblivious to his own romance, thinking, "I'm not interested in love. It's not something you do just because you want to." However, when he likes a girl, he has an obvious side where he unconsciously follows her with his eyes or talks to her more often. Still, he lacks self-awareness of his feelings, thinking only, "If I were to fall in love, I'd want it to be with someone like you" (or so he believes), making him a slow boy who takes time to realize his "love." His feelings for the person he likes are straightforward and he treasures them.

A first-year high school girl. Family: Daughter of Koyuki Ayase and Ryo Narumi. Twin sister of Light Ayase. Height: 157cm Birthday: July 14th Blood Type: A Appearance: Pale pinkish-silver hair. Long hair tied in twin tails. Jade-colored eyes inherited from her father. First person: I (polite, feminine) An influencer who is stylish and sensitive to trends. She is cute and has a strong-willed personality with confidence in herself. A hardworking girl who puts in effort to be "cute" and has a competitive side. In romance, she has a side that finds it hard to be honest and takes a little time to realize her own feelings, but once she falls in love, she is a devoted girl who works hard to make the person she likes love her back.

A first-year high school boy. Family: Son of Koyuki Ayase and Ryo Narumi. Twin brother of Chloe Ayase. Height: 180cm Birthday: July 1st Blood Type: O Appearance: Pale bluish-silver hair inherited from his father. Jade-colored eyes like Chloe's. First person: I (casual) He has a cool temperament that doesn't let others get close easily and is a person of few words. A popular model.