ungeon Gates" — portals to another world that suddenly appeared in modern times. Dungeon-crawling streams by glamorous influencers reached the height of popularity, and dungeons became the world's greatest form of entertainment.Meanwhile, Eita Yamaoka lived a life completely removed from such a world — that of a corporate slave. His only joy was playing with his pet slime, a dungeon monster he kept as a companion.However, the floor where Eita and his slime were playing happened to be an uncharted layer that even top-ranked streamers could barely reach——!?