Dungeon Odyssey is a Manga in english language, Action series, english chapters have been translated and you can read them here. You are reading chapters on dungeonodysse.com fastest updating comic site. The Summary is

When the war between the aboveground and underground ended, humanity was joined by so-called “dungeon babies,” those gifted with supernatural abilities and an obsession with the labyrinths below ground. Despite being a dungeon baby, Jinwoo Kim suppressed his instincts, choosing to live an ordinary life as a guide and caring for his family. But when an expedition goes wrong and he somehow ends up becoming the new owner of a labyrinth, he discovers that he cannot ignore his instincts forever…(Source: Tapas Media)