Boyfriend [M]21 filled me to the brim with cum while his mom was in the room across from us [F]21

My boyfriend was persistent as I lay in bed with him. I was wearing a little black dress and he was supposed to be sleeping because he had work that night. But he was obviously too horny to sleep. He was hard and poking me from behind as I laid with my back to his chest. He asked softly if I wanted him to fuck me because it’s been a while since he felt my pussy.

“Not today honey, I have to leave in 20 minutes,” I told him, though I wanted to participate in whatever naughty things he had planned.

He nodded and settled for just massaging my waist gently, occasionally getting sneaky and sliding his hands up my dress. I was wearing a seamless pair of bright red panties, with a lace trim that made me feel like I wasn’t wearing anything. I didn’t want to admit that I was throbbing for him to fill me up, and my panties were already soaked. He started to grind his clothed cock against the crevice of my ass, but at some point, he slipped his cock out of his boxers. It was just his bare skin against my red panties, and I could feel the cloth getting wet from the precum that he kept rubbing against my ass. I started to grind back against him, knowing that we were both starting something we might not be able to finish. He had me exactly where he wanted me. I hated having sex and having to leave right before we could both finish.