Ritsuka’s faith in his older brother Seimei is pushed to the limit
when the unit named Moonless reveals sordid details of Seimei’s
horrific past deeds. Then, while Ritsuka is still reeling, the
unthinkable happens: Seimei returns to reclaim Soubi.
With Soubi coerced back into his relationship with Seimei and now
missing, Ritsuka becomes determined to reclaim the strange man who
changed his life from the brother he once adored. Meanwhile, Nagisa
reveals information about the past of Seven Voices Academy and the
painful origins of old loves lost.