00:53:717 - at kiai time, at least put some SV to triples for difficulty gap between Oni but different way than Oni.
ex) 00:56:402 (134,135,136,137)
this may be applied on other kiai times but i don't recommend, only apply on first kiai time.
01:12:033 (144) - 2328395#4879554
even unused green lines here, but it's on your choice since i.o have no break after this.
01:12:033 (252) - suddenly cut out vocal following that possible SV, even muzu have note after here..
00:04:921 (16,17,18,19,20,21,22,23) - instead weird 1/6, try this : https://imgur.com/Lxp4xeX
00:04:921 (12,13,14,15) - such made a finisher spam but kantan isn't. i'd remove all finisher.
enough with 00:04:487 (11)
but at this song, not fit like that. if want keep, there's sound for big notes like (12),(30),(47),(64) but others not, also you could upgrade your futsuu pattern with this 2328626#4877290