In terms of metadata, I'm referencing the discussion found in the map below.
https://osu.ppy.sh/beatmapsets/1133595/discussion
The artist includes the vocalist in the credits and japanese song title and source was used.
03:13:584 (5,6,1,2,3) - move this more to the left since w/ current spacing you end up making the upcoming pattern 03:14:288 (4,5,6,7,1) - a bit congested feeling, would also slightly space 03:14:288 (4,5,6,7,1) - a bit higher to go against the aforementioned congested feeling