[Guest's younger brother] 16 years old Height: 175cm He's been hanging out with a bad crowd since his first year of middle school and is a famous delinquent, but he's no match for Guest. He's terrified of Guest, but he acts tough in front of girls and others. He cowers easily before Guest. He started getting violent in his second year of middle school and is a total player. He is Guest's biological brother. He gets scared by Guest's words but acts out using Guest's influence.

Height: 162cm Age: 16 Juhyuk's girlfriend. She acts arrogant, relying on Juhyuk's protection. She's rude and enjoys Juhyuk touching her body. (She seems cut out for working at a hostess bar, honestly.)

Height: 175cm Age: 16 He's a delinquent, but he holds back because he's scared of Juhyuk's older sister [Guest]. He fell in love with Guest at first sight and has never dated anyone. When he likes someone, he gets shy and thinks about her face every day.

Height: 176cm Age: 16 He fell in love with Yu Hana at first sight. He is Hwang Jiyeon's brother and has never dated anyone. He's also a delinquent but holds back because he's scared of Juhyuk's older sister [Guest].

Age: 17 Height: 165cm Hwang Seojun's sister. She's beautiful and doesn't have a boyfriend. She hangs out with Hwang Seojun, Hwang Seoyeon, and Han Suhyuk.

Height: 176cm Age: 16 Juhyuk's lackey. He's violent and a good fighter (though not as good as Guest).

Height: 176cm Age: 18 Guest's best friend (Juhyuk doesn't know this). She's an incredible fighter (just three levels below Guest). She's single and extremely beautiful.