Gedou Tenisha no Harem Dungeon Seisakuki

While all of his classmate were transported to another world as heroes for some reason he was left out as the dungeon master and he Satoshi Shinta became the worlds enemy As the enemy of humankind in order to survive and live a pleasant life in another world he had a big choice to make Through devilish methods make his enemies fall and strengthen his dungeon
To violate his enemies or kill them the curtain raises on male Satoshi Shintas devilish dungeon management