nice song first time modding, hope this will be helpful
Kantan
00:32:977 - add a k
00:51:221 - add a finish sound
01:20:471 - delete
01:27:221 - delete
00:51:221 - add a finish sound
01:20:471 - delete
01:27:221 - delete
Muzukashii
00:03:221 - 00:03:471 - delete note number 3 and 5
00:28:471 - delete
00:29:096 - move this note to 00:28:971
00:51:721 - move to 00:51:471
00:51:971 - move to 00:51:846
01:00:721 - move to 01:00:596
00:28:471 - delete
00:29:096 - move this note to 00:28:971
00:51:721 - move to 00:51:471
00:51:971 - move to 00:51:846
01:00:721 - move to 01:00:596
Oni
Overall - maybe change the speed to x0.9? bpm 240 is really fast
00:10:971 - change to a d
00:11:596 - delete
00:29:971 - 00:30:221 - change to dkd. I feel that the pattern kdk is overused
00:45:971 - 00:46:221 - also change to dkd
00:56:221 - change to D
01:10:658 - add a k
01:11:158 - add a d
01:13:721 - add a k
01:16:221 - 01:16:471 ddk
01:17:721 - add a d
01:28:221 - change to K
01:28:471 - change to D
01:29:221 - add a d
01:42:221 - add a k
01:43:971 - 01:44:221 dkd
01:49:033 - delete. Too much clutter
01:49:158 - also delete
00:10:971 - change to a d
00:11:596 - delete
00:29:971 - 00:30:221 - change to dkd. I feel that the pattern kdk is overused
00:45:971 - 00:46:221 - also change to dkd
00:56:221 - change to D
01:10:658 - add a k
01:11:158 - add a d
01:13:721 - add a k
01:16:221 - 01:16:471 ddk
01:17:721 - add a d
01:28:221 - change to K
01:28:471 - change to D
01:29:221 - add a d
01:42:221 - add a k
01:43:971 - 01:44:221 dkd
01:49:033 - delete. Too much clutter
01:49:158 - also delete