Breaking the kiss, Ty decided to mock-object. "You can't do this," he said. "This is so wrong!"
He felt June's hand move behind his head and push him slowly to his knees. "I can," he purred, "and I will." Ty's eyes widened as he found June's freshly-formed cock in front of his eyes. "Now, shut up, suck my cock and turn into my good girl."
Ty didn't even get time to do so by choice- as soon as he took a breath, June thrust inside his mouth. The strong, salty tang of his cock was more transfixing to Ty than he'd imagined, and he soon began to suck.
"Mmmh~" June groaned with satisfaction. "Your mouth is so warm and wet. Just like your pussy will be once I take your cock away."
Ty could barely believe himself for stroking his erection as June fucked his mouth, but it felt amazing- especially because it felt like his cock had already begun to shrink while he rubbed it. Noticing this, June purred, "My girl's horny, isn't she? I bet she'll be even more horny when her breasts grow." He reached down to Ty's chest and pinched his nipples forcibly.
Ty moaned around June's shaft as his nipples swelled under his touch, and his chest slowly filled out. "You like how they feel?" June asked. Ty nodded on his cock, making him groan with satisfaction. "O-of course you do," he continued. "You should've always been a girl. I bet if I'd had you or made you, you would've been, instead of a wimpy little boy. But I'm glad to fix you. Seeing you grow big soft tits is really hot."
It felt hot to Ty too. He could tell they had grown quite large, and that his flesh had receded in other places to give him a more feminine figure. As June continued to fuck his mouth, he made it clear he'd noticed too. "You're looking so pretty," he smiled. "You've got good dick-sucking lips, and your skin looks so soft and smooth. You're becoming less of a boy by the second. I bet once you're a girl, you'll make me cum so fucking hard."
Ty felt June reach down and cup his tits- and in response he whimpered and felt himself ejaculate, possibly for the last time. It seemed to arouse June a lot. "Yesssss~ you've cum like a slut... now relinquish your manhood!" he ordered.
Ty's body did as he commanded, and he felt his balls tug up inside him, drawing close to something forming inside. "I'm castrating you," he heard June pant. "You won't be producing semen to fertilize others, you'll carry ova to get fertilized!"
Knowing he- or rather she- was having her body's role in sex reshaped was so arousing to Ty, and gave her a kind of kinship with June. A kinship she was eager for him to indulge.
By now Ty's penis was so small she couldn't jack off, only rub it between her fingers- and she noticed something forming under it. "Your penis is turning into your clitoris," June breathed, "and you're g-getting a nice juicy p-pussy for me to... f-fuck!~"
As the last male part of Ty was feminized, June made good on his promise and reached his first male orgasm. His cum flowed into Ty's mouth, and as it overfilled, he pulled out and shot the rest of his load onto her face and tits, and Ty instantly wished he wouldn't be spent so he could fuck her properly.
Once they had both recovered, June pulled Ty to her feet and smirked, "Tell me who you are."
"I'm your good girl," Ty answered in her now feminine voice, and felt June pull her into a rough, lusty kiss.
"That's right," June purred once their kiss finished. "I've emasculated you and turned you from a silly little boy into a good girl, and I know you love it." Ty nodded. "And you know what else I know you'll love?" he added, pushing her down and getting atop her, his firm masculine body pressing against her soft feminine one. "Getting bred."