Nurarihyon no Mago is a Japanese anime series that follows Rikuo Nura, a young boy who is part human and part yokai (supernatural creature). Despite his reluctance, Rikuo is destined to become the heir of the Nura Clan, a powerful group of yokai. The series explores his journey as he accepts his heritage and confronts various challenges from rival yokai factions. It blends traditional Japanese folklore with modern storytelling.