Into the Deepest Most Unknowable Dungeon is a Manga/Manhwa/Manhua in (English/Raw) language, Action series, english chapters have been translated and you can read them here. You are reading Into the Deepest Most Unknowable Dungeon chapters on viptoon.net, fastest updating comic site. The Summary is
Former office worker Jean finds himself transported into a land where even armies have failed to conquer the FukaFuka Dungeon. With no magic cheat codes and no secret knowledge, Jean must battle goblins and seek glory alongside a cast of voluptuous warrior women.