My sister carefully chose a birthday gift for the boy from the neighboring school in Gao Leng, but was ruthlessly rejected. When the elder brother learned about it, he was furious and vowed to teach the other party a lesson. However, when her sister is brought to the boy, she finds the boy unusually charming, and her brother's plan to beat and scold falls through. In the end, my brother promised: "Don't want to run after school, wait for me to pick you up." Since then, "don't run after school" has become "don't want to run after school, wait for me to pick you up". The male protagonist, who is cold on the outside and gentle on the inside, starts a sweet love affair with the innocent heroine.