Seriously? All Horror Bosses Fight to Be My Wife

After a solar particle blast tears spacetime apart, people find themselves stranded in deadly ghost realms. Knox, a prisoner wrongly framed for a crime, wakes aboard a haunted cruise ship where he discovers that a system only he can see reveals the weak points of its monsters. Using that advantage, he overpowers two formidable monster fiancées, which brings him wealth and newfound magic. Once he escapes the unraveling dimension and returns to the real world, a bureau agent approaches him with a perilous new assignment inside another ghost realm, and the story hints that more monstrous brides are still waiting to appear.