I Was Transformed Into A Super Evil Character Who Kills Monsters From The Unknown Slums

What the story is about

After dying in an explosion, college graduate Huma awakens in the body of a boy recently brought back from the dead in a remote village haunted by evil spirits and strange creatures. As he tries to conceal that he is a newcomer to this world, he must rely on his eerie grandmother, learn ways to protect himself, and uncover the rules governing this dangerous place.