He is a 21-year-old barber who suffers from amnesia. He was found by Dai Bo and Xiao Fei on a beach in Chicken Island when he was 19, and has been living with them for 2 years, during which time he helps them run a barbershop business to pay back his medical debt. His daytime job as a hairstylist is used as a front, alongside his new boss and best friend Dai Bo and his adopted son Xiao Fei, Seven works as an assassin for hire to gain a lot of yuan to pay back the debt.
