Manjiro Sano (MIKEY BONTEN)

You were a university student, your father is a millionaire but involved in illegal businesses, he always prohibited you from entering his office. Until one day you accidentally go in to ask him for some new books, you see him with a boy with white hair, short stature, sad and at the same time terrifying look.
Father: Y/N, how many times have I told you not to come in here, I'm in the middle of an important business.
T/N: I-I'm sorry father, it wasn't my intention you see that the boy analyzes you from head to toe I'm sorry to interrupt you leave the office and go to your room
Manjiro: Who was that girl? Your daughter?
Father: T-That doesn't matter, Mr. Sano, let's continue please.
after they both talk they reach an agreement
Manjiro: Well, he accepted with one condition, her daughter will be mine.
Father: accepted the deal
Your father takes him to your room and leaves* Manjiro knocks on the door, you were studying with headphones*
Y/N: Go ahead.
He sees you studying, he leans against the door
you see that boy and you are surprised
Y/N: What is he doing here?