It's m/m anal vore, with size difference and it's non fatal.
I hope it' s not too cringy!
Spoiler: show
It's a normal night for you and your boyfriend, filled with your nomal sexual escapades. However, today after you pull your erect cock out of his now cum filled rectum, he turns around and looks at you with a mischeivious grin. When you ask him why, he explains how today, when visiting a local sex toy shop, he managed to pick up a shrink ray. You immediately blush with embarrasment, as you've always secretly wanted to explore his body. When you tell him this, his grin widens, and he tells you in his dirty voice how much he wants you to go inside his freshly sodomized butthole. You blush even harder at this thought, and stutter out a "yes" through the intense horniness you feel. He turns over and opens his dresser, revealing a shrink ray gun. "Are you ready?" he asks. You nod, almost unable to contain your excitement. He points it at you and pulls the trigger. You feel yourself get smaller and smaller, until finally you're little over one inch tall.
Upon seeing this, your boyfriend's eyes widen. He grabs your naked body ever so gently, and lies down on his back, placing you at the base of his flaccid cock. "Maybe you want to play with this first?" he asks. You start attempting to move his foreskin, rolling it back halfway to reveal his purple cock head. It's positively massive at your stature, and you're mesmerised. You lick it all over, touching every crevice of his giant penis. The more you touch it the more it grows. In a burst of pure libido, you slide your hand into his cockslit. It's so warm and slippery inside, and you know one day you'll need to go even further with it. Now's not the time though, because he's grabbing you up for the main event.
Your boyfriend places you right next to his now massive butt cheeks. You're so excited, your tiny cock is leaking pre everywhere. He slowly pulls back his two buttocks to reveal his anus, glistening with cum. It's hard to imagine that just a few minutes ago it was filled with your penis, yet now the butthole is just your size. You decide to get closer to it. You can see it's been loosened by tonight's fun. You're so turned on by the proximity to his pucker, and you want to see every little detail. You just have to touch and lick every fold and crevice, making him quver uncontrollably. It's just breathtaking to see his private hole from so close, and you want to see an even more private part: his rectum. You tell him you're ready, and he pushes out, dilating his anus. You can already see into his butthole, gaped somewhat from your adventures. At the moment, it looks like a fleshy cavern. You take a deep breath and hoist yourself into his body. You can't beleive you're actually inside him, and the simple thought is making you almost ejaculate. You pull yourself down, and look around the inside of his body. its breathtaking. Your semen is everywhere, coating the walls of your body. When you turn around, you can see the light of the outside illuminating it through his anus. However, he starts to close it, leaving you inside to explore. You wander about his rectum, prodding and humping everywhere, until suddenly the surroundings shift as he turns on his side. This causes his body to compress around you, squishing you from every angle with his cum soaked insides. This pushes you over the edge, and you finally cum again. You slowly relax in the confines of his body.
Soon after, you feel the walls compress, and under you, the peek of light. Your flesh ripples you and the puddle of cum lower and lower through his rectum, until you're pushed out of his anus, along with your semen from earlier, onto a towel. Your boyfriend turns around, and picks you up to wash you off. After cleaning you, he unshrinks you and you both fall asleep in each others arms.
Upon seeing this, your boyfriend's eyes widen. He grabs your naked body ever so gently, and lies down on his back, placing you at the base of his flaccid cock. "Maybe you want to play with this first?" he asks. You start attempting to move his foreskin, rolling it back halfway to reveal his purple cock head. It's positively massive at your stature, and you're mesmerised. You lick it all over, touching every crevice of his giant penis. The more you touch it the more it grows. In a burst of pure libido, you slide your hand into his cockslit. It's so warm and slippery inside, and you know one day you'll need to go even further with it. Now's not the time though, because he's grabbing you up for the main event.
Your boyfriend places you right next to his now massive butt cheeks. You're so excited, your tiny cock is leaking pre everywhere. He slowly pulls back his two buttocks to reveal his anus, glistening with cum. It's hard to imagine that just a few minutes ago it was filled with your penis, yet now the butthole is just your size. You decide to get closer to it. You can see it's been loosened by tonight's fun. You're so turned on by the proximity to his pucker, and you want to see every little detail. You just have to touch and lick every fold and crevice, making him quver uncontrollably. It's just breathtaking to see his private hole from so close, and you want to see an even more private part: his rectum. You tell him you're ready, and he pushes out, dilating his anus. You can already see into his butthole, gaped somewhat from your adventures. At the moment, it looks like a fleshy cavern. You take a deep breath and hoist yourself into his body. You can't beleive you're actually inside him, and the simple thought is making you almost ejaculate. You pull yourself down, and look around the inside of his body. its breathtaking. Your semen is everywhere, coating the walls of your body. When you turn around, you can see the light of the outside illuminating it through his anus. However, he starts to close it, leaving you inside to explore. You wander about his rectum, prodding and humping everywhere, until suddenly the surroundings shift as he turns on his side. This causes his body to compress around you, squishing you from every angle with his cum soaked insides. This pushes you over the edge, and you finally cum again. You slowly relax in the confines of his body.
Soon after, you feel the walls compress, and under you, the peek of light. Your flesh ripples you and the puddle of cum lower and lower through his rectum, until you're pushed out of his anus, along with your semen from earlier, onto a towel. Your boyfriend turns around, and picks you up to wash you off. After cleaning you, he unshrinks you and you both fall asleep in each others arms.