In the Korean web novel 'The Returnee Needs a Wife,' the protagonist discovers his deceased wife alive in another world, albeit with a different face, name, and appearance. This story combines elements of action, adventure, comedy, drama, fantasy, harem, romance, and slice of life, making it a captivating read for fans of diverse genres. With themes like demons, magic, former heroes, and a parent complex, the novel delves into the complexities of returning from another world, presenting a unique and engaging narrative.