Time for his non sister to get a taste

Jack stood up from the bed, legs a little week from not using them for a while, standing there, his cock standing up and hard, pointing at the two nude girls, his non biological sister and the busty nurse.

(Sister info: If Jess was his sister, this would have been wrong, but his sister had been adopted when Jack was young, she was only 2 years older than him, he was 20 while she was 22, she had short red hair, blue eyes, skin a little darker than his, she had light freckles on her face, her breasts where only (rank A level 4) in size, her butt was small (rank A level 2) she had a small tattoo of a rose on her left leg, her vagina was neatly shaved, and was a dark pink)

“So, while we” smiled Jack at the two nude girls.

His sister licked her lips while one of the nurse hands reached up and pinched one of her nipples while the other gave her own butt cheek a playful slap.

They both approached him, kissing him at the same time, both there tongue’s rubbing against his, he then felt a hand on his cock, he was surprised to find it was his sisters hand, it slowly rubbed up and down his shaft, teasing the head with her thumb.

“I didn't know your cock was this good, or big” smiled his sister Jess.

“I am glad you feel that way Jess, I think your hands are so soft rubbing my cock” smirked Jack kissing Jess’s cheek, the nurse leaned down and licked one of Jess nipples, making her squirm.

The nurse then laid down on the bed, “come Jack, you sit here against my boobs” said the nurse spreading her legs, then patting the open spot.

Jack hoped up onto the bed, resting his back on the enlarged nurses breasts, it felt like two big warm pillows, his sister smiled while she crawled onto the bed, then Jess took his cock into her mouth.

‘slurp..slurp... ‘POP’, “ so thick, so hot, tasty, I love it” said Jess, running her tongue up and down his cock, making it quiver And throb.

“I have to worn you Ms Jess, your brothers cock can really cum lots” warned the nurse.

Jess smiled, “I’m counting on it” and went back to slurping and sucking his cock, Jack started playing with the nurse’s nipples, making the nurse shiver.

“Oh...yes, play with my nipples” said the squirming nurse.

“Oh, god...ahhh” said Jack, he still couldn’t believe what was happening, “Jess, I didn’t know you could sick cock like that”

‘Wet, POP’ “my female friend was a good teacher” she giggled, she then took his whole cock in her mouth, he could feel part of his cock go down her throat, she never even gagged.

“Holy shit sis” said Jack as Jess went “Gluck..gluck..”

‘POP’

“Shit, that was impressive Jess, to take it all the way” said an amazed Jack.

“I haven’t found a dildo I couldn’t deep throat” Jess said wiggling her butt as she licked up and down my cock like a lollipop.

“Oh, really” said Jack, then thought ‘maybe then I will make myself bigger and see what she thinks then, but wait...If I do that, she would have already thought that my newer size would be ‘normal’ and she would’ve t notice it’

So quickly thinking (I have the power to make my cock and balls grow and shrink at will, get hard when I want, and cum how much I want, my sister never knew)

After feeling his cock and balls tingling, he thought once more ‘my cock and balls will now slowly grow’

“ so Jess, think you can swallow it hole now” asked Jack, Jess turned to him, both hands wrapped around his cock, “didn’t I just do that” she asked confused, unknown to Jess, the cock in her hands started growing thicker and taller.

“Your cock is ea...e...so..wha...so big” Jess said, Jack cock was so long, it could easily poke Jack in the chin, his balls where also bigger than normal.

Both girls eyes almost glazed over for just the size of it.

“Mr Jack, did you just get bigger” asked the nurse.

Jess could not believe the size of his cock, it made her pussy so wet just by looking at it.

“Holy fuck...you..your...ah” Jess said in shock.

Jack smiled, “I didn’t tell you, but I can control the size of my cock just by thinking it, balls too” he smiled.

‘The bigger my cock is, the bigger the girls desire’s become’ thought Jack

As soon as Jack finished thinking, Jess launched herself at his cock, licking and sucking it like it was the best tasting lollipop.

‘Wow, her desire for huge cock has really ramped up, but then again I did say it would do so proportionally, and I think I gave my self a 18 or 20 inch dick’ Thought Jack.

“Oh fuck, I need this so bad, I need it inside me” said Jess standing up on the bed, her pussy lips brushing the mushroom cock tip