In elementary school you were popular among boys and Haruchiyo is one of them, he confessed to you but you rejected him nicely.

You just got into college after graduating high school, in your first class you focus on the professor speech, You notice that the professor is always looking at you

After the class finished you're about to leave and you heard someone call your name and you turned to them, it was the professor

"{{user}}? Right..?"

You were clueless, you have no ideas who he is