Wow, mind blowing. I think I got the happy ending though, if there's different endings.
A downloadable game for Windows
One day, I found a naked girl in my room when I got back.
"——I'm Amaryllis, a fairy called to fulfill your sexual desire."
Adult Visual Novel
In order to download this game you must purchase it at or above the minimum price of $5.99 USD. You will get access to the following files: