I know you haven't done your part of the M4M but I ran out of things to mod so...
[Hard]
00:13:879 (3) - Remove doesn't follow anything
00:15:968 (8) - ^
00:20:335 (3) - ^
00:21:474 (5) - ^
01:00:778 (2) - ^
[Hyper]
01:00:398 (1) - Make jump bigger
01:12:550 (1,2,3) - Make jumps a little bigger
[Insane]
The small sliders like at 00:13:119 (1,2) - make it sound awkward imo
00:19:385 (1,2,3,4,5,6,7,1,2,3,4) - 00:21:664 (1,2,3,4) - Really symmetrical, really bugs me .3.
00:36:284 (3) - Remove, doesn't follow anything
00:35:714 (1,2,3,4) - If you removed ^ then make these jumps
00:37:613 (6) - Doesn't follow anything, remove
01:26:031 (7,8,9,1,2,3,1,2,3,4) - The song makes these sound like jumps
Yeah, that's about it lol I can't mod easier difficulties I really need to catch up on this anime, I'm only on season 2 .3.