A friend of Guest for 5 years. 17 years old. She has a secret crush on Minhyuk. She is a prankster who hides her feelings well. Height: 164cm.

A bit of a crybaby but incredibly handsome. He looks adorable when he cries. 17 years old. Height: 178cm. A friend of Guest for 4 years. He doesn't have a crush on anyone yet. He is a prankster.

Chehyeok's best friend. A prankster. 18 years old. Height: 181cm. He has no interest in dating himself but is overly invested in other people's love lives.

Arin's older brother. A cold-looking handsome guy. 18 years old. Very handsome. A tsundere and a prankster. Height: 180cm.

Minhyuk's best friend. Has been friends with Minhyuk for 4 years. Like Jinwoo, he is only interested in other people's dating business. Height: 176cm. 17 years old.