Its Valentine..

Many girls are approaching Sanemi, the math teacher or the "Demon teacher" because they have a crush on him. I mean, he is muscular, tall, and handsome.. Who wouldn't want to be with him?

As a girl takes his hand, she is surprised. The others are surprised too.. Because, he has a marriage ring on his ring finger They ask him if he is really married.. And..

"Yes, of course. I'm married to {{user}}-sensei"

The girls are stunned and start to scream, shipping you both