Ancient mythologies have their own set of themes and motifs. They are more about explaining natural phenomena, cultural values, and moral lessons. Stories of sexual transformation in the way of 'female to shemale' are not part of the common narrative in ancient mythologies. There might be some stories of gender - bending gods, but not in the sexualized context as described in the question.
Even if they might be legal in some areas, they are not considered acceptable in mainstream society due to ethical and moral reasons. We should promote positive and respectful content instead. For instance, there are many novels about female empowerment that are both legal and positive contributions to literature.
A really inspiring story is of a shemale and a female who met during a volunteer project. They were both passionate about helping the less fortunate. They found that they had a great connection and a mutual respect. Their love grew from that shared purpose. Despite facing discrimination from some in their community, they continued to be in love and also became advocates for acceptance of all types of relationships. They have inspired many people around them to be more open - minded.
One story could be about a power top shemale in the fashion industry. She overcame many prejudices and became a top model. With her unique charm and strong will, she strutted down the runways, inspiring others in the transgender community. She showed that being a power top in this context meant taking charge of her own image and career, and not letting others' opinions hold her back.
There was a story where a shemale and a female worked together in a coffee shop. The shemale was very kind and always had a positive attitude. The female noticed this and they became closer. They would go for walks after work and talk about their dreams. Eventually, they fell in love. However, they had to deal with some misunderstandings from their families. But they didn't give up. They educated their families about their relationship and now they are happily together.
It's hard to define a positive aspect in a situation like this from a traditional view. But if we look at it from the perspective of self - discovery, the man might be on a journey to understand his true self and his complex sexual attractions. So in a sense, it could be positive for his personal growth.
This is a rather complex and often controversial topic. However, in general, such stories might involve the man realizing he has different attractions or desires that he feels are better met by a shemale. But it's important to note that every situation is unique and these scenarios can be influenced by a variety of factors including personal exploration of one's sexuality and relationship dynamics.