4. Bölüm: Nagi, iblis ağacı ve insan bir ev sahibiyle ilgili karanlık niyetleri konusunda Zange ile yüzleşir.

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What had been the shrine grounds is under development. Nagi witnesses workers uprooting what is left of her sacred tree, and afterwards discusses with Jin that she must find another object of worship to replace the tree, otherwise her powers will continue to wane until she disappears completely. Akiba tells Jin, who was questioning his classmates about idols, about a popular girl named Zange, the mysterious girl who Nagi met at the school. After Jin had an encounter with Zange herself, Nagi learns about her popularity, and after a little investigation, she also suspects that Zange of dark intentions. Her theory is proven true when she finds and confronts Zange herself, accusing her of using a human as a host. Zange admits that a girl named Hakua Suzushiro is acting as her vessel "by free will". Just when Zange manages to put Nagi at her mercy, Jin appears and is shocked with the scene. Late at night Zange appears at Jin's place, stating that as amends for earlier, she will take care of him from then on. (Source: Wikipedia)