In an attempt to make Yuto remember his forgotten past, Himari decides to invite him to go to Noihara with her. Unfortunately, Rinko and Shizuku tag along with them on their own agendas to Himari's disappointment. Upon arriving at Yuto's grandparents' house, they are greeted by the Zashiki-warashi Kaya, who bears a grudge against Yuto for having Himari leave her by herself. Later on, after remembering his past with Himari through a walk in the forest, the Hinoenma Ageha appears for Yuto's life, and just when they are about to retreat to the house, a Daidarabotchi blocks their path. Back at the house, Rinko, Kaya, and Shizuku are attacked by an ippon-datara named Sasa. Back at the forest, Himari has a tough time fighting Ageha and the Daidarabotchi and orders Yuto to head back to the house. However, while running, he hesitates to let himself be protected by Himari and heads back to the battle, where he blocks Ageha’s finishing blow with his body. Himari, after seeing the scar on his chest, starts to lose her sanity and goes on a berserker rampage, incapacitating the Daidarabotchi and almost killing Ageha until Yuto intervenes by grabbing a twig and blocks the final blow. Suddenly, the twig starts to glow with a bright light which envelops the battlefield.

Himari engages in a fight against Kuesu but gets cut off when the latter puts up a barrier to keep her away. Inside the barrier, it is revealed by Kuesu that Yuto's grandfather had arranged their marriage. Kuesu then kisses Yuto, causing the latter to remember the kiss by the lake where it is revealed the girl kissing him was actually Kuesu. Himari breaks through the barrier but Kuesu escapes and kisses Yuto again to her annoyance, with Kuesu claiming it is her third kiss with him. She then tells Yuto to cut his relations with the ayakashi and vanishes. At the forest, the other Ayakashi are talking about Kuesu's appearance and Yuto's powers awakening until Shizuku intervenes, telling she will kill Kuesu herself. Back at Yuto's house, Himari grow irritated at Kuesu kissing Yuto, and practices kissing in front of a mirror. Meanwhile, Kuesu engages Shizuku in an intensifying fight, which ends with her pinning Shizuku on the back of a billboard. However, when Shizuku teases Kuesu on her spells and insults her being the weakest of the twelve families, a vexed Kuesu casts a barrage of powerful fire spells, forcing Shizuku to retreat. Back at Yuto's house, Himari has trouble going to sleep over the kiss from earlier. Desperate, she asks Yuto to kiss her much to his shock. After explaining her current situation to him, she apologizes and decides to go back until Yuto grabs her wrist. Just when he was about to kiss her on the cheek, the doorbell rings and, just before Himari could tell him about it, gets kissed on the lips to Yuto's surprise as her cat ears begin showing. Back at the hotel, Kuesu reinforces her goal to obtain Yuto.