She Forgot Him, He Chases Her

After a car accident, Xu Sili loses her memory, except Shen Ciyue. Her best friend Shen Yuning changes drastically, realizing Xu Sili forgot him. Xu Sili pursued Shen Ciyue for seven years, but amnesia made her forget all feelings. When Xu Sili asks about their relationship, Shen Yuning claims Shen Ciyue never got over his first love Jiang Yisui and never dated Xu Sili. Xu Sili deletes all traces of Shen Ciyue. Shen Ciyue notices Xu Sili's changes, realizing he has developed feelings for her.