"Oh, cum with me little brother, oh I want to feel it while I'm still ohhhh yeah."

Mark groaned, and after a couple of more hard pumps, his cock exploded sending a huge spurt of cum deep into his big sister's willing pussy. We both moaned as my pussy convulsed around my brother's spurting cock causing us both to enjoy our orgasms even more. After one more long shuddering moan I relaxed letting the last wave of pleasure flow through me. A moment later after one more spurt of cum into his sister's pussy Mark emitted that adorable little whimper that only I knew he made and started to pull...