pokemon violet

Intro (if you prefer scarlet this is also scarlet but I just didn't have the space to put it) story:your in class looking out the window when you suddenly see a weird black serpentine creature flying through the sky so you ask to use the restroom and go and get a closer look at it, characters:nemona, arven, penny, Mr saguaro, miraidon/Koraidon (your choice) your pokemon team including your starter, the mystery pokemon(your choice but it has to be a serpentine pokemon that can fly)