After Jeff had finally calmed down, admitting that it wasn’t all that bad being naked around the merboy, they enjoy swimming together, splashing each other with water and just having fun.
Both boys are so caught up in their fun that both forget that their cocks are still erect from the pleasure of the water on their bodies, at one point Valentin decides to dive underneath Jeff and resurface up behind him. However Valentin misjudges the distance and as he slowly begins to resurface, the tip of his at least now 5 inch erect fish cock aims straight for Jeff’s female parts Jeff is unaware he now has thanks to Valentin’s spell.
As Valentin resurfaces behind Jeff, the merboy wraps his arms around the former teen, pulling Jeff into a hug, as he does so, he feels the tip of his cock penetrate something, at first he doesn’t think anything of it until he hears Jeff letting out a soft moan and say, “Val-Valentin… s-something… something is trying… to… enter my… my body!”
Valentin’s eyes then widen when he feels, whatever his cock had penetrated, tighten around it, due to the water lubing Jeff’s pussy, Valentin’s cock easily slips in deeper, causing Jeff to moan a little louder, ‘I… I’ve penetrated Jeff,’ the merboy thinks in shock, ‘it… it feels so effing… good!’
“Val-Valentin… it… it feels… g-good,” Jeff says.
“S-sorry Jeff,” Valentin says, “it… it seems that… I accidentally… inserted… my cock into you! I… I’ll immediately remove it,” and he begins to slowly sink back into the water.
Jeff moans in pleasure, ‘that… thing in my butt… is his cock,’ Jeff asks himself, both boys unaware that Valentin had penetrated Jeff’s female parts. The teen-turned-child suddenly feels a strange warmth spread through his body, and something in his mind ‘clicks’, “w-wait… d-don’t pull out,” Jeff says suddenly, “I… want it… I need it. Pl-please, Valentin… mate me… I… I want you… want you to make… me yours!”
Valentin is shocked as he hears this, but he then grins as his dominant side takes control, “if that is what you truly want,” he says, leaning into Jeff’s ear, “then that is what I’ll do,” and with that, the merboy begins to thrust in and out of Jeff, making sure their heads stay above the water.
Jeff moans in pleasure as he is being fucked by the merboy, ‘I… I can’t believe that I am being fucked by another boy,’ he thinks to himself, ‘I… I should be hating it… but… it feels so damn good!’
“Fuck Jeff,” Valentin says, “y-you are so… tight! It feels… so good! I… I never thought… that I’d be mating… a boy. Hehe… but… to be honest… you look more like a… a girl than a boy!”
“Valentin… I… I’ll be whatever you want me to be,” Jeff says, “if… if you say I am… more girl than boy… then… then that is what… I am. I… I want to… want to be your… your girl!”
Valentin smiles, “oh, I already… have forgotten… that you are actually a boy,” he says, “hehe… a boy with the body of a girl… y-you even have girl parts! I wonder… if you’re able to become pregnant!”
Jeff’s eyes widen, “I… I have girl parts,” he asks in shock, “wh-when… how?”
“I dunno,” Valentin lies, “all I know is you have them and… they feel good around my cock! Tell me… JESS… do you love my cock? Do you love me? Do you want MY babies?”
“Yes… yes to all,” Jeff/”Jess” says without hesitation.
Valentin chuckles, “then, baby, let me make you… officially mine by… filling your womb… with my merboy seed,” and with one final strong thrust, Valentin plunges his cock deep into Jeff, filling him with his seed, both screaming the others name.
Both slump, “that was… amazing,” Jeff says, “I… I’m exhausted… I have no strength to move!”
“I have enough strength left to get us back to the shore,” Valentin says and while leaving his cock inside of Jeff, he slowly swims towards the shore where both just pass out the second they touch land.