When his beloved older brother is brutally murdered, Ritsuka is heartbroken but determined to search for answers. His only lead is Soubi, a mysterious, handsome college student who offers him an intimate link to his brother's other life: a dark and vibrant world of spell battles and secret names. Will Ritsuka's relationship with Soubi ultimately lead to the truth or further down the rabbit hole than he imagined possible? Seimei is very much alive and has torn through the Seven Voices Academy like a whirlwind. As Septimal Moon struggles to right itself and keep its secrets from spilling out, a new enemy takes center stage: the unit named Bloodless wages a crippling psychological war, ending battles without spilling a single drop of blood. Yet Ritsuka and Soubi must emerge victorious against them - or lose Kio.