Patty Lowell, the vanished heiress of an esteemed lineage, is discovered in a children's home, and J.D. Morrison escorts her to his associate Dante, proprietor of the firm named 'Devil May Cry.' Dante accepts various 'odd assignments,' and upon Morrison's urging, he consents to act as Patty"s bodyguard. Reluctantly, he ventures to reunite her with relatives, though he frowns at a role that feels like child‑care. Though Dante projects as an indolent slacker, he secretly excels at hunting demons, a talent that proves vital when evil forces target Patty. Quickly, Dante uncovers hidden motives behind the case and deploys his specialized abilities to shield her. He remains vigilant, navigating treacherous realms and confronting ancient adversaries to ensure her safety. All while balancing his reluctant role with doubts.