Seriously? All Horror Bosses Fight to Be My Wife Episode 6

When a solar-particle blast shatters spacetime, framed prisoner Knox lands on a haunted cruise ship inside a deadly ghost realm. Using weaknesses revealed by the system, he subdues two powerful monster fiancées and gains wealth and magic power. Escaping the collapsing dimension, he is recruited by a bureau agent for a perilous new ghost-realm mission, with more destined brides yet to emerge.