Volume 31 - Silent Demon

Silent Demon is the thirty-first volume of the Hidan no Aria novel series released on June 25, 2019. This novel continues The Search for Konza Tohyama arc.

Chapters

 * 1st Ammo: Plutonion
 * 2nd Ammo
 * 3rd Ammo
 * 4th Ammo
 * 5th Ammo: Never Step Back
 * Go For The Next!!!

Trivia

 * The novel is released six mouth after the release of Volume 30.
 * Silent Demon is a reference to Konza Tohyama.
 * Plutonion is a sanctuary dedicated to the Ancient Greek and Roman God of the Underworld, Hades/Pluto.
 * Konza Tohyama is introduced.
 * LOO, ZII, and Nemo Rinkarun return.