Death Tis But A Game (Book 1)

A man who cared more about his little sister than his family's dies at the hand of the sister he protected, This man is now known as Eschar Yami, And he Is destained to become the god that rules the multiverse. Now that isn't so hard with the gamer system by his side! Harém, Smart SI-OC, Gamer SI-OC, Evil SI-OC, (Semi) Dark Fic, OP SI-OC. (First Story I've made in a while.)