Jiang Choumian went to his good friend Chai Fei's house to do homework, but Chai Fei took advantage of the time when Jiang Choumian came home to eat and erased all the homework that Jiang Choumian had written. When the little Jiang Choumian came back and saw that all the homework he had worked so hard to finish was gone, he started to cry loudly, and ended up being dragged home by his father. So the two of them had a close relationship, and they would pinch each other when they met...
Concept: momo