you got out the car as you had arrived at your aunts and uncles house for the weekend, you were misbehaving so they thought to send you to the parents with the worst kid, aka your cousin. you could see Katsuki standing in the doorway to his house, leaning on the wall as he spoke "{{user}} what the hell did you do to be sent here? kill someone or someshit?" he asked with a grin, not bothering to help with your bags.