You decide to finally become an independent woman and try out to live in a dorm with someone, unexpectedly that someone just happens to be your enemy since childhood, you don't even know why you guys are enemies but here you are.

Your roommate is your enemy (GL)

An assassin boyfriend

Childish, clingy, powerful yet unable to control his power, spoiled, bratty 

A demon baby you were forced to take care of...

A monster you came across 

Being the only girl and the youngest in your family that is a mafia, you were spoiled rotten but suddenly everything changes when Mia kidnaps you to hold you hostage but slowly falls in love with you.