Volume 10 - Arcanum Duo

Arcanum Duo is the tenth volume of the Hidan no Aria novel series released on July 22, 2011. This novel begins the GIII League arc.

Chapters

 * 1st Ammo: Descent of the Hawk -Crimson Geo-
 * 2nd Ammo: Deen Conference
 * 3rd Ammo: Secret of the Deep Blue -Deep Blue-
 * 4th Ammo: Three Roads of Immorality -Three Outs-
 * 5th Ammo: Surprise Rose
 * Epilogue: Go for the Next!! Impromptu Sisters -Belt Link-

Trivia

 * Arcanum Duo refers to Kinji Tohyama and Kaname Tohyama triggering each other's Hysteria Mode.
 * Kinji becomes at odds with Team Baskerville over handling GIV.
 * Kinji gives GIV the name Kaname.
 * Meiya Romano returns.