You realized that you could easily fulfill your girlfriend's expectations for your copy of her and satisfy your curiosity about modifying copies by simply making another copy of the clone your girlfriend gave you. Having your female body stand in the main chamber of the machine, you used your other body to operate the terminal and chose the option to make another type-4 copy. Once more, the terminal output new instructions.
:::AUTO-DETECTING...
::
:::Type-4 copy detected as source.
:::Creating Type-4 copy...
You heard the machine whirr to life again, and felt indescribable pleasure throughout your female body as it was scanned by the machine, causing you to moan a bit.
:::Copy complete. Opening main chamber doors.
:::Please have consciousness donor stand in main chamber.
It made sense that the machine would force you to link the copy with your original body, as inconvenient as the extra step was. Following the prompt, you had your female body step out of the chamber and stepped in with your original body. The doors shut behind you, and again you felt the unique sensation from when your girlfriend first donated you a copy of her body. Upon finishing, the doors of both chambers opened and you stepped out with both your original body and your new female copy. This time, it didn't feel so alien since you were using two bodies for a while already.
Remembering the details gleaned from the terminal when studying modification and upgrades, you decided to have the first copy of your girlfriend enter the main chamber to be modified, as upgrading that copy should be easier afterward. Looking over the terminal with your other two bodies, you selected the [modification] option and were presented with a prompt.
:::ENTER AN OPTION NUMBER TO CONTINUE:::
::1 - Smart Mode (Recommended)
::2 - Smart Mode | Macros Disabled
::3 - Advanced Mode
Picking option 1, you were presented with simple instructions and a long list of body parts, starting with smaller options like fingers or tongues and ending with more complex ones like genitals or heads. After those were a list of macros, such as "upper bodies" and "torso extensions". The instructions were straightforward: "Please enter the number of each part desired. Leave blank to leave as-is."
Pondering the options, you decide to...