
The Chinese ship names for each couple, "炸贱" for Zhan Zheng Xi/Jian Yi and "贺顶红" for He Tian/Mo Guan Shan.

His most prominent feature is his natural red hair and he has trouble interacting with others. His father is in prison and his mother struggles with making a living, so he is always short of money. Mo Guan Shan is a trouble maker, an outcast who comes from a lower class background. He loves to flirt and play around with Mo Guan Shan.

He is a top student and good at basketball. He Tian is the most popular boy in school. He is especially loyal to friendship and as Jian Yi’s best friend, he would defend Jian Yi first when he needs him. Zhan Zheng Xi is a good-looking senior gamer.

His mother is often absent and he hides how he truly feels in order to keep going. He has complicated feelings towards his best friend and struggles with his emotions. The pale eyebrows and soft looking ash hair are his trademark. Jian Yi is a ‘natural airhead’ boy, cute and charming. 19 days tells the hilarious story about the daily school life of a group of hot-blooded teenagers their touching friendship and personal growth. Featuring characters Jian Yi (见一) and Zhan Zheng Xi (展正希), who are childhood friends, the handsome He Tian (賀天) and the reluctant Mo Guan Shan (莫关山).
