My Sister the Sex Addict (Family Chemistry Book 1) by Richard Bissell

Author:Richard Bissell
Language: eng
Format: mobi
Tags: breast growth, blowjob, family erotica, stepbrother, taboo, stepsister

So it went for another few weeks. In the afternoon and evenings, Kim simply did her best to suck me off, but in the mornings, in the shower together, we did each other. Almost always, she would get me off before I could do her, but now and then she was able to come first. And no matter when I came, the shower was not over until she had at least one orgasm.

My balls adjusted to the increased pace fairly quickly, and Kim’s tits continued to grow, whatever the reason. She outgrew her A-cup bras within another month, having gained a cute pair of firm 32B tits. Which meant, of course, that there was no chance of my calling a halt to all this cum-guzzling. At least she was a lot more fun to play with in the shower.

“You’ve got great tits now,” I said one morning. “How much further do you want to go?”

“All the way, baby” she said, grinning and rapidly stroking my dick. “As big as Rebecca. D-cups!”

As she dropped to her knees and set about sucking another load out of me, I gritted my teeth and groaned. Thirty-four B’s were one thing. Kim was about the size of my stepmom by now, which was hardly surprising. But D-cups were another thing entirely. None of the women on Mom’s side of the family had big tits. What was Kim going to do when her tits stopped growing, as they surely had to soon?

In any case, if I was worried in the back of my mind, in the rest of it I was as horny for her as I had ever been, especially now that she actually had a bod worth lusting over. I wanted to take things further than all these bj’s, but I wasn’t sure how Kim would react to the idea.

A few nights later, when she climbed into my bed, I stopped her when she tried to dive under the covers.

“What?”

“Let me do something for you first.”

She hesitated for only a second before relaxing and lying beside me. She was naked already (she never bothered wearing her pajamas to my room anymore), and I reached out to caress her tits. When I bent further down, pressing my lips against hers, she did nothing to stop me. She kissed me back slowly and tentatively as I played with her cute boobs. She was getting close to a handful now, enough to squeeze and push around. I slid further down to take a puffy nipple into my mouth, and Kim put her arms around my head.

When I moved my hand between her legs, she opened herself for me, letting me begin to masturbate her. She got wet fairly quickly, and I worked her clit back and forth with my fingers.

When I tried to slide further down, though, she stopped me.

“What are you doing?”

“Just giving you some of what you’ve been giving me all this time.”

She gasped softly, but relaxed. I climbed between her thighs and took her wet little pussy in my mouth.

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