After you finally concentrate, you look at your boyfriend with him naked as you start noticing his skin tone start to change. His pale skin darkens a little to light tan.
Your boyfriend feels sudden itch in his nipples. His brown aerola faded to pink with breasts size grows from A cup to C cup. His arms are still slender but with female proportion now, instead of his former big hands.
His hair color lightens from dark to blonde. He blinked, and his iris changed to blue. His facial features start showing scandinavian ancestry. His lip grows fuller. His adam apple retracts, and your boyfriend makes a moaning sound. No longer a male voice pretending to be female, but a sultry and female sound came out from his mouth.
You see his face completely changed to your former girlfriend. Now, you remember how it was started as you can see how your girlfriend was changed into a femboy. Also, your girlfriend is enjoying the change. His/her hip is now fuller with a nice hourglass figure. If you are not seeing penis hanging in your boyfriend body, you will call him a she.
For the final part, his penis and balls are starting to retract to his body, changing into vagina. It marks the final transformation from a cute femboy back to your girlfriend former self again.
"Finally, it's good to be back to my female again," your girlfriend said happily. "Now, it's my turn to change you, honey." She reminds you that you could end up losing your identity. "I should concentrate again before she does," you quickly thought.
You quickly make a change of your girlfriend. "Wait,... WHAT THE HELL, I'M CHANGING AGAIN," your girlfriend screams while she is starting to change into...