Sister Sitting: Part One

Carter spent the night tangled up with girls and showed no mercy. Her phone rings right when she’s still sore—her mother barking orders. Go home. Babysit eighteen-year-old Piper. Carter snaps back; Piper can wipe her own ass. But the line goes dead and she’s left seething, already canceling lunch with her friend. She climbs the stairs, calls out, nothing. Then she hears it—low, wet, unmistakable—coming from behind Piper’s door. Masturbating again. For this Carter cancelled her plans. She pushes the door open, hungry now. Piper’s on the bed, panties yanked aside, two fingers circling her clit like she’s already halfway gone. Carter doesn’t knock twice. One step, and she’s inside. The kiss comes hard, no hesitation, just the wet press of mouths and the taste of whatever Piper had for breakfast. Piper strips her own tank off, tiny tits heaving, nipples already tight. Carter sucks one, then the other, teeth grazing, leaving spit-slick skin cooling in the air. Her hand slides down, cups Piper’s cunt through soaked cotton, pushes the fabric away. Two fingers sink in without asking; Piper’s heat swallows them, muscles gripping like a fist. Carter pumps, rough, knuckle-deep, palm slapping Piper’s mound on every thrust. Piper’s breathing breaks apart. She paws at Carter’s hips, drags the thong free, stuffs it between her own teeth, breathing through the thin lace like it’s oxygen. The smell of Carter’s cunt muffles every moan. Carter curls her fingers hard, rides Piper’s spot until the girl’s back arches and her thighs shake. Juice runs down Carter’s wrist. She pulls out, wipes slick fingers across Piper’s tongue, then grabs those small feet and licks from heel to toe, sucking each one slow before spreading Piper open and burying her face. Tongue dives in, laps up everything, circles the swollen clit, fucks inside until Piper’s hips buck against her mouth. When Carter’s finished getting her ready, she climbs up, grinds bare cunt to bare cunt, sliding wet and hot and tight. She hisses the order: come with me. Piper nods around the gag, and they rock, faster, harder, until their slick lips slap in rhythm and both girls lock up, shaking, gasping through clenched teeth, coming so hard the bed frame slams the wall.