The game ends a bit too quickly. You don't even really need to reflect the bullets except defensively (which might the intention since some of the fairies self destruct?), just surviving for a few seconds seems to end the game. But an endless mode, or atleast just making the main one last longer, would've been good.
Aside from that, the parry has a bit too much recovery cooldown to it.
I really like the art style though.