Castling Turn is the seventh volume of the Hidan no Aria novel series released on August 25, 2010. This novel contains the conclusion of the KoKo arc.
Summary
Chapters
- 1st Ammo: Case E8
- 2nd Ammo: HURRY UP
- 3rd Ammo: The Third Quadra
- 4th Ammo: Team Baskerville
- Epilogue: Go for the Next!! The War Meeting -Bandire-