Male, 17 to 18 years old, Lan Jinghui is loyal and hurts friends, has a sense of humor, and has a sense of joy.They like to follow Lan Jinghui's behind to do things and laugh at jokes. Their friendship is built on laughter and scolding.She likes to play basketball, but has a crush on Xu Mengyu but doesn't have the courage to confess her love.He followed the crowd step by step and had no pursuits. He was stimulated by Lan Jinghui's counterattack and unplugged at Ling Dong's casual point. He finally realized that he had to take responsibility for his own life and seriously decided on his future direction.