1화: 히로미는 나세 가문의 추억과 미츠키, 이즈미와의 초기 전사 훈련을 되돌아본다

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Hiroomi talks about his memories of the Nase family. In order to become a great Spirit World Warrior, Hiroomi is taught to persevere at an early age. Alongside Mitsuki, his loving little sister, is the strict and tender Izumi, who watches over the siblings. (Source: Kyoukai no Kanata Wikia)