Chen Zhen crossed over and became a teacher at a Japanese school named Yoshizaki River. At first, he thought it was normal. Until I found out that I was bullied by the original body, the girl who came to collect the rent every month, the name is Ga Coconut. And, in the college class, a classmate named Tomie secretly sent him a fall. There is also an autistic girl named Shirai in the neighborhood, who doesn't like to be called by her name. There is also a transfer student named Sadako Yamamura, who one day asked him to apply for a bursary. He fell into deep thought; Anyway, it's like this, so it's better to have a little fun "Gaco, Tomie, Sadako, let's play pen fairy!" [No system]