m4m from my q
General
-diff names unrankable, as people who have not watched the show would not be able to understand the whistle tiers -> difficulty levels. only the top difficulty should have a custom name, unless you come up with different names which clearly portray the difficulty levels to someone who hasn't watched the anime.
-hitsounds are way too soft. i didn't know that there were hitsounds until i clicked on some objects in the editor. i recommend using at least 60% volume in the kiai. the slider-slide also sounds weird in the non-kiai sections (after increasing the volume), so you can mute the slider-slide.
Black Whistle
00:27:512 - 00:29:387 - the mini-break here is awkward, since the piano is still playing. there are no actual breaks until 01:09:512, which is an entirely different section of the music. you should map out this section.
00:47:949 (5,1,2,3,4) - inconsistent DS. the gap from 5-1 is very noticeably different from 2-3-4, which doesn't make sense because the musical intensity has not changed. you should increase the DS of 5-1.
00:53:949 (5,1,2,3,4) - same issue as above, but additionally the DS of 1-2 is misleading because it is 1/1 gap but visually looks the same as the 1/2 gaps (2,3,4)
01:43:450 (2,3,4,1) - since you are only following the flute melody, you shouldn't map these. there isn't any reasonably audible flute here.
02:01:262 - there is a strong vocal here, so leaving a gap does not properly emphasize the song. i suggest putting a 1/1 slider here 02:00:512 to match the rhythm you used elsewhere (02:24:512 and 02:30:512 (1)). then map this 02:01:637 (5) as 2 circles to emphasize the vocals.
https://osu.ppy.sh/ss/1104758602:11:949 (1) - there is a vocal on the tail of this slider, which is inconsistent rhythm as you have mapped most vocals with clicks. you should change this slider into a triple instead.
02:19:637 (7,8) - like above, inconsistent rhythm. change rhythm into 1/2 slider -> circle instead to map the vocal here 02:20:012.
02:24:512 (1,2,3,4) - should have matching rhythm with 02:00:512, as they have the same vocal pattern. using inconsistent rhythm between matching sections of the song confuses players, as they don't know what rhythm to expect for each section.
White Whistle
01:01:449 (4,5,6,7,8) - inconsistent DS, it's much lower than what you've been using since the start 00:45:512. here too 01:08:762 (1,2). you should make the DS in these places higher so that it doesn't negatively affect the intensity of gameplay.
01:43:450 (2,3,4,1) - similar to Black Whistle. however, since in this diff you mapped some of the percussion 01:36:699 - 01:38:387, map these with NOT only circles. since the flute was mapped with only circles, mapping only circles does not differentiate the percussion from the flute.
02:09:137 (1,2) - rhythm emphasis could be better. what you have right now passively maps a strong vocal here 02:09:512, which should be made clickable. I suggest changing this into two 1/2 sliders.
02:12:887 (4,5) - changing this into a 1/2 slider would emphasize the held-out vocals better.
02:22:637 (1,2) - ctrl+g the rhythm here, so the first vocal will get a slider and the second vocal will be clickable. the rhythm i suggested is consistent with what you did here 01:58:637 (1,2).
02:25:449 (8,1,2,3) - rhythm should be more like
this to be consistent with 02:01:637 (7,1,2,3).
02:50:012 (1,2,3,1,2,3,4) - how about using an arrangement more like
this so that each of these instrument patterns 02:50:012 (1,2,3,1) - 02:50:574 (1,2,3,4) - are arranged in a parallelogram?
03:00:137 (1,2,3,1) - the vocals are not significantly losing intensity in this section, so this shouldn't be mapped with gradually decreasing DS.
good luck!