Mmmm... oh.. oh, I don't...think.. I'm .. gonna last...OH, mmm, MMM...much...mmm..MMM...LONGER!" With that she let out a scream. I'd just been forced ...to listen to Lisa cum with her vibrator and here I was with a throbbing cock and aching balls and nothing to do about it."Lisa, I need to go. I can't stand this any more" I groaned.Breathlessly she said, "Okay honey, but hurry home, I can't wait for tomorrow night! Bye." With that we hung up. I was insane. I yanked off my sweats, flopped on the. "I'll be just outside in case you needany support." Thanks," I said nervously as we climbed the stairs together."Not a problem," Emma said, before giggling. "Bruv!" Taking a deepbreath, I knocked on my baby sister's bedroom door and let myself in."Hi," I said quietly to the young girl, who was sat on the bed, stillwearing her party dress."Hi," Becca said. "Claire... Are you going to have a sex change?" I- I don't know," I confessed. "But I probably am, yeah." Why don't you want to be a girl. After you get her pregnant you can start using her mouth and ass again”John was used to seeing his mother naked all the time and had had lots of blow jobs from her. He’d even fucked her ass before. He didn’t really like fucking her ass that much. It was too loose for his 14-year-old cock. His father had had her start using a bigger and bigger butt plugs as his cock grew.His father had started her sucking his cock when he turned 14. He still remembered the first time. His mother was reluctant. I used one hand to hold her open while the other pinched at my own nipples until they hurt. She turned over, pushing out her bottom. ‘Lick my cunt, and my ass, you little slut, and do it properly. ‘Yes mistress,’ I mumbled as I flipped her skirt up and looked down at her gaping pussy and small puckered ass hole. Once she was done with me, we both dressed and left the house and I was surprised to see that the Mercedes had gone. ‘It was a hire car, my dear. I will be calling you in a few days,.