Plot Summary

I work as a teacher at a certain school, but from tomorrow my wife, Miyu, will also work as a new teacher at the same school. I am very lucky that my husband and I can both work at the same office. What a thought, but Miyu was assigned to be the homeroom teacher of the collapsed DQN class. It seems that her predecessor teacher quit in a hurry (it goes without saying why she quit). I became worried and secretly went to take a peek at the DQN class. There I see an unbelievable sight...