Spill it

"All right, bro, spill it," Rachel says and slides off your still-twitching rod, eliciting a moan that was a mix of sadness and need as your cock popped out of her slit. She turned around to face you. Her nipples were standing up straight, her body was covered in a sheen of ****-induced sweat, and as she spread her legs, the mixture of pussy juice and cum began to not only flow down her thighs, but fall to the floor between her feet in huge, splattering drops.

"Looks like I already did," you say, unable to help yourself. Your little sister got the biggest shit-eating grin on her face and blushed deeply. She played with her flooded pussy and in seconds her fingers were coated in the combination of your fuck gravy.

"Mmmm, fuck yeah you did," she purrs. "But...what the fuck just happened?" she says, still playing noisily with her spunk-coated clit. "mmmm," she moaned deep and loud as she waited for your answer.

God she was hot, your cock had barely gone down, mom was going to be home in minutes, and the whole place reeked of pussy and jizz. The lust fogging your brain was making it hard to concentrate on anything but the possibility of fucking your sister's fertile womb again. It was hypnotizing to watch the cum flow out of her; it was approaching Hentai levels of sperm that her cunt had leaked, and it showed no signs of slowing down.

"I um," you stammer, not knowing if you should tell her the truth, or try to come up with a lie. She kept playing, her stomach quivering as her fingers found her little hooded button and started smearing your baby batter around it.