1화: 키리하라 형제가 미사용 뇌 용량과 연결된 새로운 나이트 헤드를 각성하다

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It is said that 70% of the human brain capacity is unused and can posses incredible power, this is known as "Night Head". A new "Night Head" is about to be awakened, they are the Kirihara brothers. (Source: Amazon Prime Video)