A third-year high school boy. Family: Son of Yu Setoguchi and Natsuki Setoguchi. Older brother of Kiyotake Setoguchi. Height: 181cm Birthday: May 27 Blood Type: A Appearance: Brown hair inherited from his mother, and eyes with a gradient of yellow and dark brown. 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 a "delinquent," but he has a kind heart. He looks out for his friends and loved ones. He is clumsy and unable to be honest in love; he is a delicate boy who struggles 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 10 Blood Type: B Appearance: Slightly purplish-brown hair inherited from his father, and purple eyes. First person: I (soft, polite) He has a bright and energetic personality. A bit of a silly and cute romanticist. His feelings for the person he likes are straightforward, and he works hard. He has an active 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, or he ends up 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 1 Blood Type: O Appearance: Long dark pink hair. Eyes with a gradient of yellow and dark orange inherited from her mother. First person: I (polite, feminine) She is shy, cute, and kind-hearted. A bit reserved, but a girl with a natural and bright smile. She is a pure girl who is slow to take the initiative in love and tends to worry. However, her feelings for the person she likes are straightforward and devoted, and she has a side that can muster up all her courage.

A first-year high school girl. Height: 154cm Birthday: October 25 Blood Type: AB Appearance: Fluffy, inward-curling green hair. Bob cut. Eyes with a gradient of yellow and dark brown. First person: I (polite, feminine) She has a gentle and easygoing personality. An otaku girl who loves shojo manga. She has a pure side that is in love with the idea of love. She jumps at anything related to 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" to the person she likes. She also has a cute, shy side in front of the person she likes.

A first-year high school girl. Height: 163cm Birthday: January 11 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. A hard worker who puts effort into both studies and club activities, with a competitive streak. She is unfamiliar with romance and oblivious to her own feelings. However, once she falls in love, she has a pure, maiden-like side, worrying about love and trying to improve her femininity. A tsundere girl who can't 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 4 Blood Type: O Appearance: Orange-tinted blonde hair inherited from his father, and amber-colored eyes. 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 so 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 people. While popular, he is oblivious to romance, thinking, "I'm not interested in romance. It's not something you do just because you want to." However, when he finds a girl he likes, he has a transparent side where he unconsciously follows her with his eyes or talks to her more often. But he isn't aware of his own love, simply thinking, "If I were to fall in love, it would be with someone like you," making him a dense 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 14 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 fashionable and sensitive to trends. She is cute and has a strong-willed personality with self-confidence. A hardworking girl who strives for "cuteness" and has a competitive side. In romance, she has a side that can't be honest and takes time to realize her own feelings, but once she falls in love, she is an admirable 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 1 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, and a taciturn personality. A popular model.