Shan Yingqi 
Grandpa Who Became A Child 

Wang Yiyi dreams of living as freely as his grandfather. His grandfather dreams of going to school like a child. With the help of a fairy mouse, they achieved their wish. His grandfather became Wang Yiyi and Wang Yiyi became his grandfather. So, Grandpa went to school happily and Wang Yiyi began to play crazily. In the following days, a series of troubles came one after another. Wang Yiyi was tired of the subsequent constant troubles. He wanted to exchange his life with his grandfather but unexpectedly, the fairy mouse refused his request.