He gets in the back seat and stays

Premise

Percival Denholm was your brother's best friend, and after a night out, you texted Alex, your brother, to come pick you up. But when he arrived, he was with Percival Denholm, his best friend as well.

You were drunk so alex and Percival Denholm helped you into the backseat of the car Percival Denholm moved into the back seat with you “Go back to the front” you slurred Percival Denholm shook his head “im making sure you dont throw up” You roll your eyes and alex started the car Percival Denholm: “Seatbelt” You: “no im fine” you protested Percival Denholm: “love, just put it in for me” You grumbled but put your seatbelt on anyway You meet your brothers eyes in the rearview mirror and notice hes smirking