This is a work of fiction. Any relation to actual persons or places is purely coincidental. All persons depicted are over the age of 18. This story was written as a commission for a fan
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Kevin's eyelids slowly pulled back as he came into consciousness. He groaned as he awoke from one of the best nights of sleep he'd ever had. Yesterday's orgasm completely drained him of energy and he slept like a baby. But since the pleasure had ended and his mind started to wake up, a sickening feeling started to come over him. He had gotten a blowjob from his own grandson. No matter how good it felt he couldn't rationalize it. What had happened was a mistake and he couldn't do it again. Though his mind said one thing, his body said another; as he thought about what happened he got hard. Picturing Ryan covered in cum looking up at him made him sick and horny at the same time. Kevin rubbed his eyes and groaned again, the stress of his situation was overwhelming.
"Morning sleepyhead," chirped Ryan as he poked his head in the doorway.
Kevin opened his eyes to see Ryan smiling brightly at him. His cock twitched as Ryan's cum covered face flashed in his mind. Kevin just groaned as he sat up in his bed.
"Breakfast is ready, do you need to use the bathroom?"
"No no," Kevin grumbled, "I'll be up in a minute."
"Kay," Ryan said as he left the room.
Kevin knew he had to bring it up but had no idea how, he was in brand new territory. There were no guidelines on how to tell your grandson he can't suck your dick anymore. Kevin got up and started his day as his mind searched for the answer. The day dragged on as normal as Kevin pondered what to say to Ryan. As the hours passed and shower time came closer and closer Kevin stressed even more, unable to bring himself to confront Ryan. The awkwardness and embarrassing nature of it all, plus his pride as a man, were keeping him from even acknowledging it.
Ryan didn't bring it up either. He could feel the tension from his grandfather and figured he was regretting what they did. But Ryan didn't. He loved every moment and was determined to continue their erotic affairs. He knew what he had to do, pleasure Kevin so well that he would break his own ethical code just to keep the pleasure going, and he was off to a great start.
The dreaded time came around and Ryan and Kevin headed to the bathroom. Kevin finally had the nerve, and was about to speak up when Ryan startled him by stripping down completely naked without a word. Kevin's eyes went down to Ryan's flaccid cock. He was long and smooth, tanned skin with a bright pink head. Ryan started pulling down Kevin's pants as Kevin found his voice again.
"Wait... Wait. We can't." Kevin managed to grumble out.
"What do you mean?" Ryan asked as he pulled down his grandfather's underwear and exposed his semi-hard cock.
"You know what I mean," Kevin continued as Ryan stood up.
Kevin's heart fluttered as Ryan moved in close to him. Ryan's toned abs pressed against Kevin's bulbous belly. Kevin got choked up having Ryan's face mere inches away from him. Ryan looked deep into his eyes and spoke softly.
"You mean when I sucked your dick and you came in my mouth?"
Hearing the words triggered Kevin, he started getting hard.
"What's wrong? You seemed like you enjoyed it. Don't you wanna do it again?" Ryan asked seductively as he slid his hand under Kevin's shirt and lifted it up so their bare skin was touching.
Both Kevin and Ryan's cocks were rapidly growing. Kevin could feel his heart racing as Ryan came on to him pressing his soft skin against his body. Ryan was a bit taller than Kevin, and as Kevin's cock raised up higher his shaft bumped against Ryan's head. Kevin winced, he knew what it was but he was frozen under Ryan's spell.
"N-no. It's... Wrong," Kevin sputtered out, "We're related."
"So what?" Ryan replied as he raised Kevin's shirt higher and circled a finger around his fuzzy nipple, "We're just having some fun. What's the harm?"
Kevin's body ran hot as Ryan teased him. He felt his reservations melting away as Ryan touched him. Ryan reached down and took his grandfather's dick in his hand along with his own and squeezed the rigid shafts together. Kevin's brain short circuited as he felt his grandson's cock pressed against his own. How easily his morals broke down when he realized just how attracted Ryan was to him. It felt good to be desired, especially in his old age.
"See," Ryan continued as he moved his face in even closer. "We both want it, so why fight it?"
Ryan moved in and pressed his soft lips against Kevin's as he gently stroked their cocks together. Kevin returned Ryan's kiss as he enjoyed the stimulation. Ryan pressed his tongue into Kevin's mouth and swirled it around as he continued stroking. Ryan moved back and pulled Kevin's shirt off before returning to the kiss and grabbing his old sagging pecs and teasing his nipples. Ryan was fully erect now and his cock poked against Kevin's belly as Kevin's cock hung under Ryan's and poked his ball sack.