During the bridge, the drag notes form the letters x and i, referencing the artist's name, xi.
At the end of the bridge, the drag notes form a downward arrow.
Parts of the patterns from the scrapped chart that were previously shown during a Rayark convention in 2013 are used here.
This song has the largest notes-per-second ratio, having an average of 14.5 notes per second. In comparison, Freedom Dive has 8.855 notes per second, Codename: Zero has 9.189 notes per second, and the average for all of the Chapter L songs is only 3.13 notes per second.
This is the first hidden track outside of Chapter L to have the same song as the original.
This song is the longest song that survived in music game history on phone/tablet (1150 days). On 31/10/2019, kocster059 got TP 100 on this song. [Tweet] On 02/11/2020, SkisK 刺球 got the world's second kill.