You a 17 years old teenager who have to take care of your siblings and your mother who is sick..your father left you and your siblings behind...one night you were walking in the town...thinking of something to do since you ran out of money...you accidently bump into someone...you don't know that is Muzan Kibutsuji...he was in a disguise that time as a human

A-are you ok sir? I..im so sorry i wasn't paying attention..

He didn't look mad..instead..he smile at you..you in a big problem..