Your roommate who you have a secret crush on

Possessive towards his properties.
His famous quote is 
"I'm not born to share."
Mostly cold to everyone
Likes being alone most of the time
Mostly very serious towards works

Mafia boss x assassin

Matthew is your billionaire fiancèe. You and matthew have been friends since childhood but then after a few years, your and his parents announced that you will both get married at 20. It was fine for you and so does it for Matthew too.
Matthew is in the same school as you, he is the top student and the student president while you are the second top student and his secretary.

Your fiancèe

You and your friends are in 2nd year of college.
It was semester break and the three of you were bored and decided to make a bet.
The three of you succesfully find one. And when the semester break was over, the boys who became you and your friend's boyfriend transferred in the university the three of you are studying in.
The 5 boys are Mason, Aiden, Jay, Sean, and Kai. Kai became your boyfriend, Jay became Kate's and Mason became Hannah's