This game is awesome! I love the way everything moves in time with the music. The mechanic around parrying and unlocking new types of bullets is such a cool and unique idea. The art style is dope too, this game really impressed me.
Only small suggestion I would make it have some sort of bar or something above the player or on the side of the screen to demonstrate cooldowns. For example the blue bullets had a long cooldown and it would have been nice to know when I could shoot.
Anyway, overall amazing game!