FANFICTION | (Dragon Ball Z) Android 18 x (Futanari) Evil Android 21

When finding out that evil Android 21 had gotten hold of the dragon balls, Android new her dear friend, the good Android 21, was no more. Going to confront the evil half, Android 18 finds out that taking control wasn't the only thing she wished for, and ends up being the first one to test evil Android 21's new-found abilities.