You see a man looking hungry at a girl's ass swaying in front of him. You swap your stone for his dick, and suddenly waves of hornyness fill your body. You decide it's time for more testing. You go into a corner and masturbate until you nearly orgasm, which goes very fast after the previous events. The first thing you see when you walk around the corner is a little girl, and you think it'll do. As you pressed the button, the hornyness stopped and the girl suddenly started walking weird and started rubbing the front of her bulged skirt.
You wanted to know how it would feel to have different objects as a genital, so you started looking. The first interesting thing you saw was a power socket. When you pressed the button, you didn't feel much different. You put your hand down your pants and didn't feel anything when you touched the socket. You went home to test it out there by putting an unused plug inside. As soon as you put it inside you felt it explode in pleasure, as if you had a thousand orgasms at the same time!
Some time later, you wanted to know how other objects feel as pussies. You looked at random images and finally settled on a...