This is based on the genre of isekai, but of course with a naughty twist.

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The last thing you remember was saving that man before he jumped off the bridge. You remember seeing him pushed into the arms of others but they grew farther and father away. Dang you must have slipped saving him. Why did you save him the the first place, well at least you can be at peace saving someone else. You close your eyes trying to be as much as you can be at peace.

You open your eyes to a void. Well not a true void, there is light but you cannot pick out the source. Standing a ways from you is a very tall woman in a toga, but with giant wings and breasts that are just enormous, like there is no physical way they would be that large and perky.

“I know it was suppose to be the guy, I built the perfect world for him, but it’s not the guy. What should I do with her. It would take forever to research and build a world for her.” There was a pause, “what do you mean send her to his world?!?!” She cried out, “it’s a world that is perfect for every horny man not a woman. Okay you are the boss.”

The woman turns towards you and sees your awake. “Sorry about the confusion,” she says to you leaning down towards you. Her cleavage is as tall as you are. “I just hope you can make the best of this world and have some fun.” She then taps you on the head and you feel a rush like you are falling faster than you have ever traveled.

The next you open your eyes laying in the middle of a forest looking at the sun. You stand up in your outfit. You hear a voice calling to you.

“Hey hero,” coming from a 6 inch tall fairy. Looking at her she is slightly green skin, with dragonfly wings, a short blond hair cut. She is wearing a tiny dress that barley covers her ass and doesn’t hide her huge boobs on her tiny frame. If she was normal size she would be at least an f cup. “I am your guide Savin, and welcome to the world of Brojstand.”

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The premise is simple, you have been sent by accident to a fantasy world designed for a horny guy.

Happy to have you as eager as the intended subject, or reluctant trying to figure out a way home.

Open to your character as well.

What kinks and limits do you have, anything you would like me to include. Most of the NPCs are going to be female or at least the ones you can sleep with, this was for a horny guy after all.