天黒のラグナロク

Synopsis

The Black Guardian Gram fights on, protecting his only blood relative—his sister. He does so in order to offer her life as a sacrifice... What is the only answer that the taciturn warrior can reach in the face of a gigantic calamity that no human power can possibly resist?! Against the vividly rendered night, a grim reality and the fate of mankind emerge. The dawn of a new dark fantasy...