刹那の渦
A song by Keina Suda for his 1st major personal album [i]Billow[/i]. He also released a [[Vocaloid]] version featuring [[flower (vocaloid)|]], which is the first time he uses the alias Balloon in 3 years after his mainstream debut. This indicates his return as a Vocaloid producer.

* "YouTube: Keina Suda ver.":https://www.youtube.com/watch?v=AUXf_fG0tOg
* "YouTube: flower ver.":https://www.youtube.com/watch?v=M6Swfmk-NBU

h4. Songs by Balloon
** [[Charles (vocaloid)|]]
** [[Mabel (vocaloid)|]]
** [[Pamela (vocaloid)|]]
** [i]Setsuna no Uzu[/i]

h4. See also

* [[List of Vocaloid songs]]
setsuna no uzu (vocaloid)