The story of two senior high school students relying on each other to relieve stress. "Are we childhood sweethearts?" "We? That's the case, right?" After he discovered that his childhood friend who had not had much dealing with him had a crush on him, Dong Chaoming ushered into a vigorous pursuit that ended in rejection. The childhood friend did not like him at all.

Poor-tempered, only concerned about the grades Yu Chu. Forced to learn, quick-tempered and self-conscious Dong Chaoming.