Our TG Caption

You tell Mark your idea to him. It takes some convincing but eventually agrees adding to add one condition to be on the safe side. You tell the genie to turn Mark into a girl, but only for a week, making sure to say that he will transform back into a guy after a week is up.

The genie agrees and transforms Mark into a sexy girl. Mark is surprised about how cute "he" turned out. "He", or rather she, tells you to call her Marcia for the time being.