Looking around you see only girls in the class and was curious about how being a girl felt. You pulled your pants and underwear and saw your dick. You pulled on it and it came off along with the testicles. Your body suddenly shifted becoming smaller as your body hair vanished. Your hips and butt grew a bit as your waist shrunk in and your chest became a bit tender. Your nipples lengthened as your chest underneath them started to balloon outwards with fatty flesh. You look at your cleavage and was happy and then you looked at what was in your hand. Your old dick, you stroked it a bit and it hardened a bit. You put the head end into your vagina and after a bit of "masturbation" you felt the dick cum you took it out and then thought "Well that was odd."
You got up and went to Brenda and then pulled off her pants and panties, and then planted your dick into her and saw as Brenda turned back into Ben. Then removed your dick again and saw as she reverted back into Brenda. You smiled as you looked at the dick in your hands and decided too...