is Ali Project's 26th single. This single was released as a CD on 21 October 2009 under Mellow Head, a sublabel of Lantis, an anime music company.

The single title was used as the opening theme for the anime series Tatakau Shisho: The Book of Bantorra.

Track listing

# Track name Romaji 01 堕天國宣戦 Datengoku Sensen 02 寶島 Takarajima 03 堕天國宣戦 -Instrumental- Datengoku Sensen -Instrumental- 04 寶島 -Instrumental- Takarajima -Instrumental-

Charts and sales Oricon Ranking(Weekly)SalesTime in Chart199,2975 weeks

References

堕天國宣戦 | Discography | ALI PROJECT OFFICIAL SITE / FC勇侠会. (n.d.). 勇侠会. https://aliproject.jp/content3?no=rUfPcN6QCs6SC1sHcA36s