Action

When Haru of the Minamoto dies standing after a heroic effort during the Genpai War. He is reincarnated in the world of That Time I Got Reincarnated As A Slime. As a demon???
    In the Underworld??? As a bottom feeder????
    Watch Haru climb the ranks of the Demon Ladder and maybe someday stand toe to toe with the monstors of the Underworld and the Cardinal World