Rob is a regular at the local seedy massage parlor. When he gets stressed out, he pays women to get him off. And he's been getting stressed out a lot, especially since losing his job.

The owner of the massage parlor gives Rob a green powder. A magical powder. Dissolved in water, the concoction sends you on a gender trip! It transforms Rob into a woman.

Rob has to adjust to a new body that comes with a new set of rules and a mind of its own. As a man, the prospect of sex with another man disgusted him. When he's a woman, however, things have changed.

Being a woman is intoxicating. Rob loves it and wants more green powder. He needs a job, so he takes one at the massage parlor.

With his inhibitions out the window, Rob can make all her wildest and kinkiest fantasies come true.

Author's note: This is a standalone story with a happily ever after ending! For a limited time, Instant Swap comes with a bonus gender transformation story for free!

Warning: This 15,000-word novella contains graphic language and steamy descriptions of gender transformation and sex.