Easy
- 00:31:184 (1) - horizontal flow is a bit awkward, maybe use a slight curve here? like https://osu.ppy.sh/ss/7314031
- 00:53:684 (2,3,1,2) - https://osu.ppy.sh/ss/7314053 maybe something like this instead? to avoid horizontal flow as well
- 01:00:884 (2) - maybe move it a few pixels to the right, since now it feels as it's almost overlapped with previous slider https://osu.ppy.sh/ss/7314074
Normal
- 00:29:984 (3,4) - maybe avoid using huge overlaps? since it's the only one moment you used that kind of pattern, it looks pretty unclean
- 00:34:784 (3) - Ctrl+G>Ctrl+H>Ctrl+J for a better flow? https://osu.ppy.sh/ss/7314105
pretty weird diff as for me, but clean, gj <3
Hard
- General note here: sliders like 00:23:684 (5) - appear multiple times, and they are very hard to play on Hard difficulties. Maybe reduce those 1/16s to 1/4s or 1/8s at least?
The rest of the diff seems clean
As for Insane, there are some patterns which I wouldn't use personally, but since it plays good and it fits the other ones I'd skip it as well
Great to see Shadren-senpai mapping again, gl brother <3