Disciple of the Gods: Dark Rose

On the day of their reunion, the Goddess of Death attacks Edith's home village and strips him of the person he loved the most, his little sister Elzia. She's put into an eternal sleep without any ways of being awakened. When this is discovered, his soul split. His mind became narrowed, and at the age of six, he set out on a journey to enact his vengeance and find a way to restore what he had lost.