so some constructive criticism:
1. the controls feel unresponsive, however that is because of the timing windows for hits which feel weird and off, which isn't great for a rhythm game.
2. if I hit D/F and it doesn't hit anything, I can't cancel it by hitting J/K, I just have to sit there and watch the whole animation play
3. the mapping is good sometimes, but other times it's completely against the rhythm of the song. I noticed it a lot in red and violet.
4. there seems to be a weird kind of stunlock that appears when you are hit, which forcibly greys out sliders that you haven't reached yet and doesn't allow you to hit other obstacles, however this may just be an extension of #2.
these make the game feel... bad (doesn't really effect hinotori due to how slow it is, but for the other 3 it just feels off). still a nice game tho. keep up the good work ^_^.