Throughout their three years of middle school, Jiang Yu and Xie Qinghuan never interacted. In their final year, they added each other as friends. After they started chatting, Jiang Yu began to suspect that the person on the other end wasn't their classmate, while Xie Qinghuan never realized Jiang Yu suspected he wasn't a real person.
Female lead: I thought you were a cold, aloof person. I didn't expect you to be so chatty and such a goofball.
Male lead: I thought we were close. I can't believe that after all this time, you still can't even get my name right!
Theme: If affection is sincere, there's no way to hide it.