第 21 集: Aoi 研究食譜，Nene 則在 Orio-ya 處理嫉妒與妖怪麻煩。

Following Aoi locating the Mermaid Scale Raiju takes an even greater interest in her. Aoi begins researching Ocean Treasure recipes served at previous ceremonies. Oryo arrives at Orio-ya as a guest and immediately clashes with Nene. Ranmaru leaves Orio-ya for an important task. Toad Ayakashi cause trouble by demanding to stay at Orio-ya in exchange for the last item, Hourai's Gem Branch. Their leader, a wealthy merchant called Yukichi, becomes angry at Nene, until Oryo steps in and resolves the situation. Nene becomes depressed and reverts to her Ayakashi form, a small, fluffy pink rat. As Nene is needed for the ceremony Hatori gives her the day off to recover and asks Aoi to look after her. After eating Aoi's food Nene regains enough energy to grow in size but not to change back. Aoi convinces Nene to go shopping with her. While buying coconut jellies they encounter Odanna, in disguise, working at the jelly stall, though Nene does not realise who he is. Nene admits she admired Oryo's hostess skills so much she got a job as a room attendant, but as Oryo was more skilled her admiration became jealousy. Aoi assures her she is an incredible person for being honest about her jealousy. Nene apologises for injuring Aoi's ankle and suddenly changes back into her human form. Aoi buys coconut milk and coconut oil from Odanna. Aoi learns from Nene she was close to Hideyoshi when they were children and that Hideyoshi has feelings for her but never told her because Nene likes Ranmaru. Aoi decides Orio-ya is a nicer inn than she first thought. (Source: Wikipedia)

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