Chengluo: Male, 17 years old, handsome in appearance and gentle in personality. A sophomore at Shengde Senior High School, Shengde NO.1, Has been number one since childhood.
Han Ye: Female, 16 years old, a carefree and confused girl. A freshman at Shengde Senior High School. He is an orphan and has been fostered with his aunt since he was a child.
Cheng Sui: Female, 16 years old, a cute girl who is naughty and clingy. Chengluo's younger sister, a freshman at Seungdeok Senior High School
Xu Zhengyu: Male, 17 years old, handsome in appearance and cheerful personality. Sophomore student at Seungdeok Senior High School and president of the basketball club