I am a teacher at a certain school, but from tomorrow my wife Miyu will also work as a new teacher at the same school. I'm so lucky that my husband and wife can work at the same place. I was wondering, but Miyu was appointed as the homeroom teacher of the DQN class, which had collapsed. It seems that the predecessor teacher quit in a hurry, so it seems to fill the gap (not to mention the reason for quitting). I was worried and went to sneak a peek at the DQN class. There I see a ridiculous sight ...