Zhong Yan pursued and waited for classmate Zhang for seven years. She thought that even if she couldn't be with him in the end, at least her heart would not change, but what happened in the future was really wonderful. Qinghan thinks Zhong Yan is stupid. The boy she likes is unreliable, and she herself is unreliable. She actually wants to be her best friend. But how did he fall in love with this silly woman?