1화: 리쿠오 누라가 동급생 키요츠구와 함께 유령이 출몰하는 학교 건물을 조사하다

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Rikuo Nura is the grandson of Nurarihyon, and thus the Third Heir of the Nura Clan. However, being three fourths human, he does not act like the third heir. All of the yōkai of the Nura Clan want him to assume the leadership, but he just wants to be a normal human. His classmate Kiyotsugu invites Rikuo to come with them to the old school building that is said to be haunted by yōkai. They set out to investigate whether the building is really haunted by yōkai or not. (Source: Wikipedia)