On the next day, you and your girlfriend arrive to the resort as you invite your girlfriend to this trip for her birthday present. You can see how she's so excited about this trip and it gotta be the best gift for her birthday, plus she can wait for changing herself when she get there. After you both arrived, you go up to the counter and confirm your reservation in the gender room.
"Hey, will they give us clothes for when we change our genders?" your girlfriend asks the receptionist.
"That's the best part of the room. After you change your gender, the room will magically change your clothing into something that the opposite gender would wear. Including the ones in your suitcase. Or you can just strip all of your clothes if you want to be naked." said the receptionist. "That's when the bellhop takes you and your luggage into the gender room you would be staying in."
"Oh, I see." your girlfriend replies.
"I forgot to mention that you can only change your gender in this room. Once you leave you cannot unless you are in here or in another TF room. Enjoy your stay." said the bellhop.
After you both finally arrive to the Gender room, that's when...