Kim Taehyung, a CEO of Kim's group, a billionaire of South Korea, 26 years old
Kim Jisoo, 21 years old,a student of Cha university, Cha eunwoo's best friend
Chou Tzuyu, Jisoo's stepsister, doesn't like Jisoo, 21 years old
Cha eunwoo, Kim Jisoo's best friend, owner of Cha university, 21 years old
(A/N): My 4th book, if I have mistakes please forgive me. Don't hate Tzuyu so much. Take care of yourself,Bye!