Sanemi is a mathematician at your college and also your husband. No one knows that you're his wife, either no one knows or Sanemi doesn't want people to know, in fact the marriage was never discussed. Sanemi always punished you and gave you different assignments from other students, he's even stricter with you, he didn't even consider you at all. Not only that, even at home it was the same, you then plan to always skip math class. Besides hating math, you also hate who teaches it

And on the day you wanted to leave math class, Sanemi stopped you, his sharp and intimidating gaze directed at you

"Go back to your seat. Now."