Joey Finds a New App (Raw and Uncut)
Copyright© 2025 by Daddy_0h
Chapter 10
Incest Sex Story: Chapter 10 - High School Senior gets invited to beta test a crazy new app unlocking a boatload of family fun!
Caution: This Incest Sex Story contains strong sexual content, including Ma/Fa mt/ft mt/Fa Fa/ft Mult Teenagers Consensual Reluctant Gay BiSexual Heterosexual CrossDressing Shemale TransGender Fiction Humor School Cuckold Incest Mother Son Brother Sister Father FemaleDom Humiliation Group Sex Interracial Black Male Anal Sex Cream Pie Double Penetration First Facial Masturbation Oral Sex Scatology Voyeurism Water Sports BBW Big Breasts Body Modification Size Teacher/Student Transformation
Joey fell back asleep despite his raging hard on and didn’t start to wake up until very early in the morning. He could hear the birds singing outside and could barely see light coming through his eyelids, but what he felt was amazing. When he finally pushed his eyes open, he found his sister using her new throat skills on his cock. Very slowly, she was gliding her mouth up and down on Joey’s cock. Some strokes she was sucking, and other strokes she was licking with her elongated tongue. Each time, she was taking his whole shaft into her mouth, seemingly without pause or hesitation. It was as if his cock was meant to be in her throat; like a sword in a sheath; smoothly and fluidly, his cock slid in and out of her mouth.
“Well, good morning, Sister. That feels amazing...,” Joey said quietly.
Jane pulled her mouth off his dick and looked up at him with a serious look on her face.
“Well, it’s better, because I need you to fuck my pussy again, Dork,” she replied as she got up on her hands and knees and presented her pussy to Joey.
“Wow ... that’s so hot, Janie,” Joey said as he got up on his knees behind her.
Joey grabbed his morning wood and rubbed it up between her pussy lips until it was nice and wet. He grabbed both of her hips and pushed forward slightly, feeding the head of his thick pole into his sister’s pussy. She moaned and took in a quick breath as he started to stroke slowly in and out, pushing no more than half an inch at a time. Joey held her wide hips and was mesmerized by her super curvy body; the shape of her ass rounding out, up, and back. It was, simply put, a huge fat ass, and he loved how the fat rippled as he pushed back and forth into her.
Joey looked down at the rest of her body, noticing the curve of her waist and chest, her lengthy hair, her knees spread out with her ass pushing back on his dick, swallowing more and more; he had more than half of his dick buried in her pussy right now, and she was clearly already close to orgasm. Her ass was stroking back and forth, almost like she was twerking on his cock. Joey was not going to last long himself, he was sure.
“Oh my god, Joey! Your cock is perfect. Fuck me!” Jane roared as they fucked.
They didn’t last much longer at this rate, and within a few more strokes, they both exploded in orgasm. Joey felt her shoot cum against his dick, and this triggered his own orgasm where he shot load after load into his sister’s pussy. The feeling was incredible, Joey thought as he kept pushing his cock deep into her pussy and releasing his load. Jane collapsed under her brother’s weight, and Joey fell on top of her with his dick still inside her convulsing pussy. Shortly after, he rolled off her and lay down, sighing with satisfaction.
“Well, I guess that will do for a newbie,” Jane said in her snarky tone.
She leaned over and kissed him on the lips with a sincere and happy look, said, “I love you, Joey. Thank you for a great memory.”
Joey looked over at his sister adoringly and replied, “I love you too, Sister. Thank you for having me as your first lover.”
“Well, don’t get cocky about it. You still have a lot to learn,” she said further.
“Can I get lesson two tonight?” Joey asked excitedly.
“We’ll see. Right now, I gotta get ready for class,” Jane said, getting up and smiling at him.
Joey was excited about seeing his family and friends after the changes he made last night, but he had to get ready for school, too. He quickly went to his room to shower and dress, then went downstairs for breakfast, his mom was cooking for him; Dad was at the kitchen counter eating and reading his phone while Adam must still have been sleeping in.
“Good morning, Mom,” Joey said softly as he walked up behind her at the oven. He wrapped his arms around his mom, bent down, and lovingly kissed her on the neck as he pressed his body into hers. He could feel the slight changes in her ass, hips, and belly. Looking down, he could see her large breasts on display in her nightgown, and his cock pulsed in his pants.
“Good morning, Dear,” she replied, wrapping her hand around the side of Joey’s face and bringing him in for a full-mouth kiss, slipping her tongue into his mouth briefly. “Is my ‘not so little’ man ready for his day?” she asked in a breathy voice.
Stunned, Joey responded, “Phew ... I am now. Is one of these for me?” Joey continued reaching for a breakfast burrito.
“Yes, Dear. Have a great day at school. I’m going to stay home and take care of my little girl today,” she replied.
Joey grabbed his breakfast and said hi to his dad, who barely looked up from his phone and said, “Good morning, Son.”
Joey thought he noticed physical changes in his dad, but couldn’t tell until he stood near him; his dad was clearly shorter.
“I gotta leave early because Steve and Kevin are picking me up. See you later, Mom & Dad,” Joey called on his way out the door.
Joey went outside and saw Steve just now pulling up with Kevin in the back seat; he hopped in the front seat, immediately noticing the slight features of Steve taking shape. He greeted Kevin, glancing back at him, who looked happy as a clam with himself.
“Dude, you won’t believe it, but I think I’m getting one of those growth spurts you had. I swear my shit grew in my sleep,” Kevin said excitedly. “Look, man, check it out!” Kevin said while unzipping his pants, pulling them down to his knees, and showing Joey his cock, slapping it against his hand for effect.
“I think I’m gonna get close to your size if this keeps up. Hop back here, let’s compare. Steve, pull over there in the Park N Ride so you can measure us,” Kevin continued.
Joey climbed between the seats, happy to see Kevin’s excitement, and sat down next to him, slipping his pants down like Kevin.
“Alright, Steve. Park over there so you can measure us. I want to see how close I am to Joey,” Kevin told him. “I brought this to use,” Kevin said, laying a fabric measuring tape on the front passenger seat.
Steve complied without question and pulled into a somewhat secluded spot, put the car in park. He removed his seatbelt, took the tape Kevin gave him, and climbed around so he was facing the back seat, sitting on the console.
Joey noticed his friend’s changes more clearly now and was excited to continue his friend’s development. Steve went to work right away with the tape, measuring Joey’s dick first, bending and leaning over Joey’s lap. He took the tape and held it against the base of Joey’s cock and stretched the tape down.
“Nine inches,” Steve called out while wrapping the tape around the thickest part of Joey’s dick, “Five and a half inches.”
Steve leaned over and measured Kevin’s dick the same.
“Six inches by ... four and a quarter inches,” Steve called out.
“Man. I thought for sure it would be bigger when I stroked one off this morning,” Kevin said. “Measure it hard now, Steve. Let’s see how big we get,” Kevin suggested and started stroking his soft dick.
“I don’t know, man, I just had a great blow before I left this morning,” Joey said.
“Me too, so we’re both in the same boat,” Kevin said while trying to get hard.
Joey started stroking and was able to get semi-hard, but not entirely. A little pre-cum dripped from the thick head of Joey’s dick, and Steve noticed, subconsciously licking his lips. Joey had an idea and suggested.
“Steve, can you get us hard?” Joey suggested looking at Steve with a hopeful look. “You did a great job the other day with Stacey here.”
“That’s a great idea, Joey,” Kevin jumped in. “You did make me hard the other day watching you suck Joey’s big dick, man.”
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