ข้อมูลอนิเมะNura: Rise of the Yokai Clan

Rikuo is the grandson of Nurarihyon thus becoming the third heir of the Nura clan, but he has not started acting like the third heir. All the yokai want him to be the Third Heir, but he just wants to be a normal human.

An old ally of the Nura Clan visits to have a discussion about Rikuo's role as future head of the demon clan. Zen has been a long-time supporter of the Nura Clan, a play-mate with Rikuo when he was little; with a weak constitution their family has lent the Nura clan their support in return for protection. Rikuo once again evades the question, explaining he does not wish to become their leader, and Zen leaves doubting the future of the Nura household.

A new student Yura, joins Rikuo's class. She knows a lot about youkai and can sense their presence. Rikuo's friends decide to form a paranormal investigation group and decide to have the inaugural ceremony at Rikuo's house since they've heard rumors of it being haunted. Much comedy ensues while they explore his house against his wishes. It comes out when they are attacked by a rat that Yura is an onmyouji (exorcist). While Kanna and Yura are heading home they are attacked by a group of youkai.

The head of the rat clan who kidnapped the girls lures Rikuo to his lair. There he demands that Rikuo write a letter abdicating his position as head. On his way back he meets up with RyotaNeko the head of the cat clan who is being chased by minions of the rat clan. Once home he writes the letter that he has been ordered to while RyotaNeko sleeps. Upon hearing that Rikuo plans on giving up his position RyotaNeko despite being severely injured heads off to fight. Rikuo seeing this is moved and his night form takes over.

Rikuo is taken ill following the overuse of his powers. Tsurara is nursing him back to health when his friends visit. Kana is confused about the nature of the relationship between Rikuo and Tsurara. Kiyojyuji informs Rikuo that they are going on a trip. Once they reach their destination Rikuo learns that the mountain is the domain of Gyuki. A member of his clan and the person responsible for trying kill Rikuo.

Rikuo and his friends reach the mountain retreat. While the girls are in the onsen Rikuo, the boys and Tsurara set off to look for sprits. Kana decides to follow them since she's jealous of the relationship Rikuo and Tsurara share. Meanwhile Guyki orders his minions to kill them all. After being separated from the group Tsurara is attacked. Just as she's about to be killed Rikuo saves her in his night form.

Yura is busy protecting the girls in the onsen when 3 new demons appear. They defeat the attackers in short order. Aotabo manages to find Rikuo's two friends and returns them to the inn. Meanwhile Rikuo is fighting Gozumaru who tried to kill Tsurara. As Kana is walking up the stairs looking for Rikuo she's sees a ghostly light and gets scared. It's actually Rikuo carrying Tsurara. He leaves Tsurara with Kana and heads off to find Gyuki.

Gyuki who was known as Umewakamaru while he was human, past is revealed. Umewakamaru is a noble child who excels at everything but after his father dies his mother leaves him at a monastery. News of his mother's illness prompts Umewakamaru to want to see her. On the way he is tricked by demons into going the wrong way. There he finds out his mother has been devoured by the youkai Gyuki. Umewakamaru goes mad with grief and kills the demon Gyuki and in this state he takes to killing other travelers. In time he also comes to be known as Gyuki. It is here that Rikuo's father meets him for the first time and after defeating him in battle requests that he join them as a member of their family.

Rikuo defeats Gyuki. Gyuki decides to commit suicide as atonement for going against the clan, but because he had the clan's best interest at heart Rikuo stops him. At the next general meeting of the clan Rikuo announces his intention to succeed his grandfather and pardons Gyuki for his conduct.