What that ass is really for

"Go ahead and prop yourself up in the bed Adam, face down ass up if you please, give me a good view of what I own"

Adam dutifully follows his own sisters commands and lays down on the bed face first and then props himself up in a triangle shape, presenting his naked ass to her fully while at the same time letting his already busted balls hang down in a **** position. His sister then returns from her bad of toys wearing a black, 6 inch, freshly lubed dildo.

"Seeing as it's your first time you get lube bitch, I won't be so generous next time"

Adam then peers back towards his sister and sees the implement she is starting to direct towards his asshole and his eyes widen, then he opens his mouth to protest.

"Every time you say something as if your whore opinion about what I'm doing matters I'm going to punch you in your useless, worthless balls got that slut?"

Adam mutely nods his head, eager not to anger her. Then, much to Adam's surprise, she lashes out anyway, driving her fist into his already sore and swollen balls.

"Of course sometimes I'm just going to do it anyway"

She says laughing hysterically as Adam wheezes trying to catch his breath after the devastating blow. With Adam still desperately trying to re-cover she places the head of the fake cock at his entrance and begins to push ...