Unexpectedly fisted in the bathroom, soaking my panties

You know you're in trouble when Scorpius follows you into the bathroom... without any warning, my trousers and knickers are round my ankles and he's working his fist into my unlubed ass! What's even worse is the mess that he makes me make all over my clothes and the floor as with each twist of his fist, a little tsunami is blasted out of my wet pussy...