As per your request:
[General]
Can you delete the extra transparency off the top of the comboburst? I giggle every time it pops out, haha
With L-1s.png, maybe delete the bottom-end of the transparency?
There's a Thumbs.db file in the SB -> BG folder, if you want to take care of that.
The center of the spinner dot is a little off, if you want to address that.
Add a spinner approach circle too. My custom one blends in too much. ><
I really like the idea for the SB lyrics. Though there are strange cuts with some of the lyrics like at here:
The SB load steadily grows higher and higher the further into the song you go. It breaches 5.0 at 04:06:884 - and I don't know why. Maybe it's because of the large lyrics image?
[Easy]
So short. ;_;
00:41:367 - This slider tick intended to be the custom one?
01:24:126 (3) - Remove clap on start of slider?
01:37:919 (2,3,4) - I'm wary of stacks in easy difficulties - but this one might be pushing it. Maybe try something else?
[kaouji's Normal]
01:29:643 (4) - Tiny overlap here, if you want to address that
01:33:436 (1) - Maybe stack this with the 8 slider?
01:08:264 (1) - Compare hitsounds here to 02:39:298 (1) -
03:07:919 (7,8,9) - Miiight be confusing as to when 9 hits since the stacks are with different rhythms.
03:17:057 (2,3) - Not stacked properly
03:57:229 (1,2,3,4,5) - Are these the reason for the super-low stack leniency? Maybe just start them lower and to the right a bit to compensate for the stacking positioning to keep the diamond shape. If you don't change it, at least make sure they are ALL in the same spot. There are a couple that are slightly off and it's easily noticed.
04:07:919 (2,4) - Tiny overlap
Really nice.
[kaouji's Hard]
So much greeeen. :D There are a few that are unnecessary though, if you want to comb through this and delete them.
AR 8 seems a bit high, but if I lower it it makes things like 00:51:712 (6,1,2,3,4) - really messy. :/ Oh well.
01:22:747 (1,2,3,4,5,6,1,2,3,4,5,6,7) - I <3 these motions
02:40:678 (4,5) - Maybe position these so that the hitcircle part of the sliders aren't overlapping with the slider bodies? They'll look 200% better. :D
03:40:678 (5) - Hrm, maybe add new combo here and remove new combo on 03:42:747 (1) - ?
Good~
[Lunatic]
More greeeen
01:43:953 (4,5,6,7,8,1,2,3) - Wow, awesome
02:34:987 (2,3) - It looks cool, but the jump doesn't flow very well to me. Maybe reduce the jump distance to 2.0-2.1x?
02:41:539 (3,4) - but this one read just fine for me. I don't understand. ;_; You use that pattern a lot. Maybe just nevermind. :P
03:53:781 (3,4,5) - These don't look good unstacked like that.
Just nitpicking about small stuff here. Great mapset!