pullout the front of your panties and aim his cock at the inside crotch

Insticutally you pull the front of your soaked panties forward and try to aim Sam at the crotch of your panties, but in your panic you aim him at your pussy by mistake. With clenched teeth Sam cums rope after rope of cum at your pussy lips, absolutely coating them in copious amounts of cum. You sit their stunned at your mistake and the large about of cum that Sam plasted you with. Doing what guys do, Sam reached forward and grabbed crotch of your panties and used the inside crotch to clean the end of his cock before he let them go snaping against you're body forcing you to supress a squeak and moan.

With that done the bus comes to a stop, and you now have to deal with going to school with panties full of cum.