As Ty lay there in the hammock, he looked over and saw couples walking along the beach. Suddenly he felt kinda lonely, and he also realized he'd started staring longingly at cute girls in swimsuits. Usually he'd see them and wish to be dating them, but right now he felt something very different. He wished he could be like them.
He felt his body slowly adjust itself in response to his wish. His muscles softened and slimmed, and he shrank back down to about five foot seven or so. His figure turned curvy, his butt rounded and his shoulders narrowed. He heard his voice crack as his larynx readjusted, though he clearly had a woman's voice instead of a boy's. Looking down, he noticed his hands and feet weren't as large now, and he saw the most obvious signs of his newfound womanhood emerge.
On his chest, his nipples perked up and felt more sensitive as they widened, and with an irresistible twinge flesh emerged around his pecs, which grew rapidly as he breathed heavily. Fantasies of having them sucked and played with were filling his head, until suddenly he gave a high-pitched groan as he felt a sucking sensation at his crotch. He reached down and felt at the flesh to find it had flattened, and part of him ached to have something... inside. He saw his penis become smaller as it paradoxically felt more and more hard and sensitive, and indescribable feelings reverberated inside him as he felt his testicles reshaping into ovaries and the sucking seem to form a focal point. It grew even more intense, until finally his body gave, and what had been Ty's scrotum formed an opening between his legs while his former penis finished receding and formed a clitoris.
The last change took root in Ty's brain. 'He' didn't feel like the right description for this body. She was a woman now. Something that really stood out to her was that all the stuff he'd read in psychology class that male psychologists had said about women being envious of men's bodies was nonsense. If anything, Ty felt weirdly proud of her feminized body. The subconscious contentment that he had felt from having a penis, and with it the ability to fuck others and bring life with his semen, was replaced by a new sense of subconscious contentment she felt from having a vagina, and with it the ability to have it fucked and carry life if she was fertilized. It felt similar and totally different all at once.
Ty was suddenly shaken from her thinking about her transformation by seeing the most gorgeous thing she'd ever seen. Her nipples and clit turned hard, and her labial lips moistened with female juices. Any rational thought in her melted away as she climbed out of the hammock and approached it, needing it to satisfy her budding femininity.
Ty had found...