For a while I just ate out Didi's pussy ravenously, sating my thirst for her delicious nectar, basking in her mewling pants of delight. When I unclasped my lips from her labia and began working her clit with my tongue, sucking steadily on that hot pulsing button, my sister started gasping.

"Ooohhh!... Teeeed!... That's... Oooooooooh my god!"

As I licked her clit with a mix of light, quick strokes and deep, long laps, I inserted a finger into Didi's steaming hole. A sort of choked sigh escaped her throat and I felt her hands on my head, her fingers running through my hair. Her moans got even deeper and more...