"Remember," Mary said, "You're just trying to make sure Tabitha is wet enough to take Michael's cock."

"Uh huh," Chastity said, "Don't forget about her tits, doofus."

Tabitha groaned. "That feels really good. But now I think I want something inside me, too."

"OK, Michael that's your cue," Hope said. Michael took his hand off Tabitha's clitoris and reached for his penis. Tabitha's crotch bucked and she cursed.

"Don't stop!"

"Sorry," Michael said, "I was just..."

"As always, I have to do everything," Chastity said. The blonde girl reached over and grabbed her brother's cock. Then she fed it into her baby sister's sex. "There you go," she said, and...