I could not help myself. I practically ripped off my pants and underwear and got right behind her. I had definitely heard about anal sex but the three... girls that I have been able to screw didn’t even want to try it. Here was an open invitation even if it was from my own mother. I may not be a full man yet but my little head still rules my big head every time when it comes to sex.I put my knees between her legs and got the head of my cock right up to Mom’s butt hole and pressed. I was surprised. "Who are you?" she snapped without looking up from the forms she was filling out."I'm Jim Brodie," I said.She looked up and glared at me. The proper reply is, "I am slave Jim Brodie, Mistress."She stretched a paper out at me. "Read and sign this, slave, or leave immediately." I took the proffered page and read:I, Jim Brodie, accept that for the next fourteen days I am a slave-in-training at the SSA. I will instantly obey the orders of all females at the Academy to the best of my ability. I. Then, without any need to jump in and lend a hand, on the cusp of being revamped into the elusive nub of a woman's clitoris, Joe manly member erupted, launching a hefty projectile-like wad of semen arching towards the ceiling. Having allowed the sexual re-structuring of her body to progress a little further up her torso then she had the previous time, Jo reached the stage where she was just beginning to feel her chest distend outwards. Though she was loathed to do so, having reached the. 'What does she want me to do? I'm not sure what real role Kindra wants me to play accurately, I'm on the couch in dead silence. Although, my drenched twat is making jiggle around.'"No, I'm not interested in being persuaded like this, Kindra," he protested, putting his hands up. "I'm a respectable athlete, and I certainly wouldn't want something like this getting out." Don't worry, Summer and I can keep a secret, can't we, Summer?" she asked, failing to look at me.I took a deep breath. "Yes..