The overlord of Ultraviolence (Human Male Reader x Obsessive Hellaverse Harem)

You had wondered for so long why everyone was scared of the dungeons of fear and hunger. but when you went in for the first time you realized it was not a normal dungeon.

far from it, in fact horrors beyond comprehension, gods, literal deities laid down there.

and you?

just an ordinary guy trying to survive, but under the guides of pocketcat who had changed his ways, you decided no life should get out of this dungeon anymore.

you went on a crusade killing every single living creature in that dungeon, killing gods, deities be on comprehension, old gods, new gods, horrors that the dungeons kept throwing at you but in the end you killed every single one of them.

you obtained every single soul becoming really powerful as a result.

They nicknamed you... THE GOD OF ULTRAVIOLENCE.