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A job-seeking student named Kang Woo-ri is visited by Abel, a Demon King who offers to handle household chores in exchange for a soul. He promises to eliminate life's troubles with a simple trade. However, Abel is not the only unexpected visitor. A mysterious ghost appears unpredictably, and Woo-ri's ex-boyfriend, Hyunseong, reappears after their breakup years ago. The story blends urban fantasy with elements of romance, incorporating humor, lighthearted moments, and occasional seriousness.