10 gender swap erotica stories by Ben Schrodinger in one bundle! Over 92,000 words.

Gender Swap Aphrodisiac : Volume 1
A student is tricked into taking a Gender Swap Aphrodisiac by the girls in his school. The drug causes a slow gender reversal (transformation) the hornier the user gets and takes 24 hours to wear off. Much to the dismay of Mike who has trouble hiding his changes from his friends and classmates while the girls have their fun with him.

Gender Swap Aphrodisiac : Volume 2
Mike is blackmailed by Erica to help her hand out invitations for her party at the beach. Unfortunately, and with the help of her friend Claire, he is made to take a double dose of Gender Swap Aphrodisiac leaving him stuck as a girl for 24 hours.

Gender Swap Aphrodisiac : Volume 3
Mike has to deal with coming face to face with his classmates at the beach to hand out the invitations for Erica's party. Problem is he's still a girl and he isn't impressed with the bikini Erica had picked out for him.
Just what does Erica have planned with almost one hundred gender swapping pills?

Girl Flu
Luke was having a bad day. His girlfriend was away for the week and he had lost his job. Just when he was at his lowest, he met a hot girl at the bar. She was gorgeous and wanted nothing more than to sleep with him.
The next morning, Luke awoke to a surprise. His dick was gone and he was slowly transforming into a girl! He had Girl Flu, the gender swap virus. And the only way to get rid of it was to pass it on to someone else.

Girl Flu 2
Josh is now one of the afflicted and soon finds being a girl isn't as cool as he thought it would be.
Fortunately he meets a girl at the mall who introduces him to Lady Jasmine and her harem for 'inexperienced' girls, like himself. That night he learns about his womanhood than he had ever imagined.

Becoming Becky : Volume 1
Paul is an impulsive gambler who thinks he always knows the odds.
While drinking with his friends, they bump into an old acquaintance who tells them he’s making a fortune in the adult entertainment industry. They jump at the chance to be ‘actors’ in his next ‘movie, but when they meet at the hotel room, things don’t go as expected.
Paul thinks he always knows the odds, but what were the odds of Becoming Becky?

Becoming Becky : Volume 2
Paul needs money desperately but the last thing he wants is to sell his beloved motorcycle.
Reluctantly, he agrees to take the gender swap drug a second time and become Busty Becky for the Tony’s film crew. He has only one condition; no dudes.
But when Tony screws him over, he finds out that changing back is not as easy as he thought.
Now he’s stuck as Becky, and the drug won’t stop turning him on!

Becoming Becky : Volume 3
It’s all gone wrong. Paul is still stuck as Busty Becky and who knows when Tony will decide to change him back?
In desperation, Paul and Trevor double-cross Tony and steal the antidote, but things go horribly wrong.
Now Paul is even more drastically altered, and Trevor is stuck as a girl too!

A Night As My Crush
Adam and Heather swap bodies while rehearsing a play. Not knowing whether or not they can even swap back, they must spend the night in each other's bodies. Will they be able to fool their friends and family? How will innocent Heather cope with being in a boy's body? And how will Adam, deal with being in the body of his life-long crush?

Circle
Three wanderers on Ilkley Moor accidentally offend a malevolent fairy by eating his house. The fairy is angry and curses John and his childhood friend Ellie by swapping their bodies! They panic but do their best to hide the changes from their companion, Adrian. Little do they know Adrian also received a visit from the fairy last night but instead of cursing him, granted him a wish. Though the other two aren't going to like it.