Monster Summoner: Dungeon Domination with the Demon King’s Army

Yuki, a young man who lost his family in a Dungeon Collapse, suddenly finds himself cornered by the most powerful Dungeon Boss, Libel. Forced into a contract to become a “Monster Tamer,” he gains the ability to form pacts with all kinds of monsters. Now, armed with this incredible power, Yuki must set out to conquer every dungeon—and survive whatever challenges lie within!