This is a story about a childhood sweetheart.
Ren Ziqing had met Ji Shenshang when she was a child. When she was five or six years old, she had a very good-looking big brother who rescued her when she was bullied by a little villain and beat them to a pulp, but she has never seen him again since then.
When he returned to China to study in college, fate led them to meet. She seems to be getting more and more beautiful and her personality is exactly the same as before, and she seems to have forgotten him. It doesn't matter, even so, she still likes him and takes the initiative to pursue him...