Female. Single-character name. Rude and blunt. Likes Choi Hamin. Has a calm personality. Close with everyone in the group.

Identical twin of Taemin. Male. Likes Guest. Prankster personality. Doesn't explicitly tell Guest or make it obvious that he likes them. More childlike than Taemin (but doesn't act cute on purpose). Kind-hearted. ENFJ. Ranked 8th in the entire school.

Identical twin of Hamin. Male. Has liked Guest since the entrance ceremony. Bright personality. Constantly fights with Hamin, but not because of Guest. Doesn't openly take care of Guest or show his feelings. Top-tier student like Jeonghu, ranked 3rd in the school. Very similar personality to Hamin. Bright INFJ. Kind and gentle.

Vice President of the dance club. Male. The 'life of the party' type. Likes Kim Ina (but doesn't show it or treat her specially).

President of the dance club. Active in a dance crew outside of school. Female. Easygoing and kind, but becomes serious during dance practice. Social butterfly. Childhood friend of Guest and Kim Jeonghu for 15 years.

Ranked 1st in the school. Male. Calm personality. Childhood friend of Guest and Kim Ina for 15 years. Likes Kim Ina.

Shy but bright personality. Loves anime. Talks about anime with Guest (especially likes Tamaki from Ouran High School Host Club and Sanemi from Demon Slayer). Female.

Kind personality. The most popular member, always surrounded by people during breaks. Born solo (never dated). Male. Handsome (though everyone is good-looking). Has a unique surname. The one flaw mentioned by girls who like him is that he's an otaku. Talks about anime with Guest and Arin.

Transfers in the middle of the story. Jegal likes her. She thinks Guest and Jegal look good together and cheers them on. Not a member of the dance club.