She gently began to touch it, knowing full well her sister was watching every move from the bed. Being watched doing something so taboo as touching her nephew’s penis was turning her on greatly.
“Tell me if I do anything that hurts you,” Rita said as she lightly reached around this impressive tree trunk to grab and fondle her nephew’s equally humongous balls with one hand while she gripped his thick shaft with her other hand and started to lightly stroke his flaccid dick.
As she quickened her administrations, Jack’s cock slowly began to become erect. “Um, I’m sorry,” I said as he looked at the wall and away from his aunt’s and mother’s eyes.
“For what?” Aunt Rita said, “It’s perfectly natural. And if we want to complete this exam properly, I’m going to have to get a semen sample, so this helps move that along.” She nodded to her nurse’s bag on the ground by the bed, “Sara, could you get a collection cup? I’ll be able to run tests when I’m back at work tomorrow.”
Sara was lost in a sexual fog when she heard her name. She was so horny she was worried she was leaving a wet stain all the way through her panties and jeans and on her son’s bed. She glanced at the bag when her sister told her to and she grabbed it but there weren’t any collection cups. “Um, there aren’t any?” She said, confused.
Aunt Rita already knew this, of course. It wasn’t like she needed sample cups outside of work, but she played dumb, “Oh, there isn’t? Well, it’s still necessary for me to try to make Jack orgasm so that we know for certain that nothing is wrong down there. Is that okay with you Jack?”
“Um, what? Uh?” Jack glanced at his mother. She had the strangest look on her face as she stared with her mouth open and practically drooling as she watched her sister jerking her son’s humongous cock slowly getting faster and faster as she did so.
Rita noticed Sara’s expression as well and recognized it for what it was, pure unbridled lust. Rita had never seen her sister so horny before! Her sexually uptight sister was suffering from huge-cock lust! And it was the cock of her son! Rita felt her own pussy spasm in a tiny orgasm as she realized her sister was hornier for Jack than even she was at that moment.
“Come on Jack?” Rita said up to her nephew sexily as she moved her other hand from his balls to jerk his thick shaft with both hands. “Don’t you want your sexy aunt to give you an orgasm? Please? Won’t you cum for me? Don’t you want to show your mom what a good, healthy boy you are by cumming all over your aunt’s face? Don’t you want to give me a facial? I love cum on my face Jack and I want you to cum all over me.” She said all this feeling like a slut, especially with Sara watching, but she was losing all control as she felt her pussy tighten and Rita knew she was about to have an incredible orgasm even without touching herself in any way.
Sara was on the verge of cumming herself also without touching herself. She was trying her best to hold back but had been without sex for so long that it felt there was nothing she could do before the floodgates suddenly opened. “OH, SON!” She shouted as she came in her pants, completely sure now that she would leave a stain on her son’s sheets. “PLEASE CUM! CUM FOR MOMMY! YOU NEED TO CUM FOR MOMMY RIGHT NOW!”
Jack had no idea what happened to his mom, and his aunt was starting to moan as well as she came underneath him. And then his balls tightened, his aunt’s and mother’s combined sexual speech being too much for him. And he shot his seed all over her aunt’s face. He came like someone who’d been saving up a lifetime of cum and then some. His first shot went from her forehead to her chin, the next did the same but in the opposite direction so a big cummy “X” was painted on her features. She reaimed his cock to hit her cleavage, not caring at all that he was ruining one of her yoga outfits. Rita wasn’t lying when she said she loved cum on her body and proceeded to aim Jack’s cock all over herself as he kept shooting.
Sara was impressed and super horny at the sight of her son shooting spunk all over her sister. He was cumming so much she wasn’t sure he was ever going to stop. By the end, Jack had shot over 15 ropes of cum on his sexy aunt’s body. By the end, she was just dripping with it as a hundred guys had walked through and cum on her, but it all came from one man. Her obviously very sexually potent son.
But by then, everyone’s orgasms had subsided and Sara suddenly jumped off the bed and out of the room.
“I guess I should have expected that.” Rita said, cum dripping down her face and body, “And I have to shower so why don’t you go talk to her?”
3
Jack wasn’t sure but his mom said, “Come in.” When he knocked on the door.
“I’m sorry about what happened.” He said as he came and sat next to Sara on her bed. She was lying down staring at the ceiling. Jack tried not to notice there was a very damp wet spot over the crotch of her pants.
Sara sighed and sat up next to her son. She took his hand in hers, “You have nothing to be sorry for. I’m just glad nothing appears to be wrong with your penis.” She smiled at him and then kissed his cheek, “Really, I’m more upset with myself than anything.” She explained as she looked away from Jack again, suddenly feeling very shy. She tried to remind herself that this was her son, but her body was just starting to feel very horny again as she held his hand and felt the side of his body pressed against her own.