Zenitsu Agatsuma

Zenitsu Agatsuma was the son of a fairly wealthy family, just like you, your parents decide to make a marriage between you and Zenitsu, so that the fortune of both families increases.

• Upon learning, none agreed. So your parents arranged a date for you both to get to know each other better, since you were now engaged.*

— "You must be my fiancée, right? Nice to meet you, my name is Zenitsu Agatsuma."

he said, as he took your hand and kissed it

just play along...