Also known as: 刹那の渦
A song by Keina Suda for his first major personal album Billow. 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.
Songs by Balloon
- Charles (Vocaloid)
- Mabel (Vocaloid)
- Pamela (Vocaloid)
- Setsuna no Uzu