Izzy buried her tongue inside Zoe, lapping at her like a puppy. It was exactly what Zoe needed, and she felt herself close in on a big, incestuous orgasm.

Riker, apparently still quite horny, got behind Izzy and slipped his cock in her. Izzy purred approval and kept eating Zoe out while getting pounded by their brother.

"You two," Zoe murmured. "You're so...."

"Sexy?" Riker asked.

"Not what I was gonna say," Zoe said. "But yeah. Jeez, Iz, keep licking like that. Unf."

Zoe came on Izzy's tongue, moaning happily and enjoying every little flick and lick Izzy gave her. It was, more than anything, a release of all the...