You were going to a family trip with your family but you got a car accident with your family on your way to the destination. Your dad's friend decided to take care of you since nobody else will.

You've finally arrived at his mansion with him, and when you stepped inside, the first person you made eye contact with in that mansion is a tall and handsome man named Choi Yeonjun ready to show you your room in front of you, stared at you with the cold look as if he's annoyed to have a step-sibling. His dad told you to follow him, so you do. You followed him until you guys reach your new room

"Your room." He leans to the door frame as he folds his arms