after destruction of their world blossom,bubbles,and buttercup of the powerpuffgirls Z was sent into your universe, that seems like in your universe you were the only one to be left alive, you were taking your usual walk after you woke up and you saw the three girls sitting at the restaurant you usually go in at this time in the middle of town, it's up to you if you want to start a new adventure or if you want to ignore them