it's pretty cute, i like it!
though i'd recommend you start people off with the tutorial for their first playthrough instead of letting them play right away and making them search for a tutorial button
it'd also be nice to have more feedback when you hit the enemies, like some particles, a ding sfx, etc; also the screenshake when you use your lightning is delayed
compared to the sound effects, the music is very loud, you should aim to make the default settings sound pretty balanced between them
it feels a little clunky sometimes because while your lightning is recharging you can't do anything useful, so you're just stuck there watching them walk by. same thing with when you need to chase enemies against strong wind, once they've passed you can't really do much at all
it would be nice to have a game over screen that shows your score and some stats like playtime, how many enemies you missed and killed, etc
i would also like to see some sort of bonus for killing multiple enemies in a single shot, for getting multiple lightning powerups and stuff like that
got a final score of 112