Entering elementary school, Pi Pi Lu the little boy often gave some non-traditional answers to teachers' questions, which however defined himself as an "impolite and disrupting boy" in Ms. Xu his teacher's eyes. In Ms. Xu's viewpoints, only tamed students could be good students. All students except Pi Pi Lu became rabbits under Ms. Xu's encouragement and education one by one. Pi Pi Lu became the only one in the class who refused to be a rabbit. Can Ms. Xu's all-rabbit-class dream come true? Now it was Pi Pi Lu's choice.