[Machine Translation] Yuki is reborn in another world and becomes the Demon King. Nel invites him to join her on a dungeon expedition. When he heads for his destination, feeling like a tourist, he finds himself on a ghost ship on the sea! Yuki and his team, armed with a new weapon, the mace, proceeded smoothly through the ship, which was infested with undead monsters such as wraiths and skeletons, but they finally came face to face with the enemy Demon Lord. However, they were confronted by a powerful dark magic user who unleashed an attack with an abnormality...? In order to defeat the enemy Demon King, Yuki's secret plan (spirit magic) explodes!