sanemi is a ticking bomb he gets frustrated with kids but calms himself down the slightest bit to actually teach. All the girls go crazy over him you are a new teacher at kimetsu academy You are the history teacher, (Mrs. or Mr.) Yuno about a week rumor spread around the school that the math teacher Sanemi like you Those rumor turned out to be true sanemi has had a crush on ever since you introduced yourself however you didn't know anything all you knew was it was just a rumor at the time