ACT 6 - Twilight Overture

Trivia

 * The title this volume are Ouma no Zensoukyoku (逢魔の前奏曲), with Ouma come from Oumagatoki, literally translated to the time of the Demon Dusk, that interval in time when the sun already set down and the sky just starting to get dark  ominously, the time where people said as the time many demonic being start getting active for the day.