I beat every single boss including Margherita! Art style is phenomenal and adorable, controls were confusing at first but you get used to them after a while. Spinning the bosses attack is really unique, but I wonder if also spinning the background arena would make it more clear on what's happening.
For anyone struggling on this game, the best advice I could give is that you don't always have to hold down shoot.
Definitely my favourite game of the jam.