"Okay, I'll show you. I wish that you and I had the bodies we had when we both were thirteen for the next three hours, but still retained our adult personalities," I said.
Within seconds she found herself shrinking, passing through the years backward. Her breasts shrank back to being just tiny perky mounds upon her chest, leaving her bra loose on her body. Then her pants and underwear fell to the ground, and I could see that her lovely vagina had become utterly hairless and smooth, it could be seen to be getting smaller. Then the shirt covered most of her up in seconds. Underneath the shirt most her womanly curves disappeared. She gasped, then threw the shirt and bra off to confirm her change.
"Woah, it is a magical ring," she says, astonished.
Then I found myself shrinking, the years melting from my face and body. My chest returning to that of my stick thin young boy self. My pants and underwear too falling to the ground exposing my hairless crotch, my member growing smaller. Then my shirt covered most of me up in seconds. Underneath the shirt most of my masculinity disappeared. I gasped, and like her, then threw the shirt off to confirm my change.
"We've three hours like this," I say smiling, "What do you want to do?"
Then...