Knock-on Effect

"Knock-on Effect is the first Japanese mini album by Billlie. It was released on February 7, 2024 with "Domino ～ Butterfly Effect -Japanese ver.-" serving as the album's title track. "Dang. (Hocus Pocus) -Japanese ver.-" was pre-released on January 17, 2024. The physical release is available in seven versions: Limited Edition, Normal Edition, and five member-specific versions.

1. 1.DOMINO ～ butterfly effect - Japanese ver. -
2. 2.DANG! (hocus pocus) - Japanese ver. -
3. 3.BYOB (bring your own best friend) - Japanese ver. -
4. 4.RING ma Bell (what a wonderful world) - Japanese ver. -
5. 5.GingaMingaYo (the strange world) - Japanese ver. -