Maki's eyes widen with excitement at your suggestion. She looks around nervously - your sister's house is now several blocks behind you, and the streets are mostly empty at this late hour.
"Mmm, you want to fuck me in the car?! Oh god, yes!"She's already unbuckling her seatbelt, moving to straddle your lap. Her breasts press against your face as she grinds herself against the bulge in your pants."These big tits have been dying to bounce on your cock since this afternoon!"