Jouou feat. Hatsune Miku

00:00:912 - nitpick but its a bit weird for me to see this is mapped as jack, while Master diff is stream, the case as 00:03:312 - is reverse

For me, jack is a bit harder so you can do stream for this diff, then jack for higher diff

00:39:012 - triple missed?
00:40:362 - single this, as higher diff use single only also, same 00:59:212 - , could buff a double for Master diff

00:42:762 - same with Master diff mod, could use just single only

00:51:612 - Hard diff are jumpstream with double every 1 beat, Master are jumptrill so this diff would be balance to do 2-1-2 jumpstream for here

01:25:985 (85985|2) - a bit unnecessary anchor, could move to col2
01:26:292 - this jumptrill is denser than Master diff, I think its better double it in Master diff then single 01:26:369 - in this diff
also from 01:27:046 - to 01:27:346 - can do a 2-1-2 JS to slowly progress the density here

01:31:396 (91396|2) - can move to col2 for hand balance
01:36:346 - can try to avoid consecutive jack on col1, could be a bit tricky to play

01:56:596 (116596|1) - can move to col3

01:38:446 - 01:38:746 - can add doubles here, its way too underwhelm and too close to Hard diff I think

01:39:646 - imo full quad here is pretty boring when you treat everything the same, atleast on Master, there're some jacks for vocals, I think you can keep quad for loud kick+snare like 01:39:646 - 01:40:846 - 01:42:046 - 01:43:246 - the rest nerf to triple so it can bring more variety

01:44:446 - compare with Hard diff and same mods on Master diff I posted in this review, split trill is can be harder than jumptrill but I think it still not distinguish enough, you can try more jack patterns and a few triple for loud snare would still be fine

also your anchor 5 on col4 at 01:47:446 - along with the roll might cause a choke point, I think you should rearrange and progress with a jumptrill for this diff

01:48:196 (108196|0,108271|1,108346|3,108346|2) - could ctrl H to ease down anchor on col1 a bit

02:18:446 - the roll here is a bit hard to play cuz 02:18:521 (138521|1,138558|0,138671|1,138671|0) - is kinda heavy on right hand
How about roll it more to the right