BlackLight: The Last War For Humanity

Zen Takagi is an energetic and ambitious boy with the impossible task to end his own inevitable older brother's life before he massacres the whole homeland to obtain the Lost Piece Of The Black-Sun. When the Lost Piece Of The Black-Sun will be finally combined with the other, the Black-Sun will spread it's wrathful rays across the world turning everyone into a Rakshas.

Zen has a limited time to stop his elder brother, Ryuga Takagi, shall he thrust his blade into the heart of his own brother? Or shall he thrust his blade into the heart's of Rakshas' who once used to be people.