Tập 20: Quá khứ của Setsuna được hé lộ khi cô bảo vệ ngôi làng bán yêu khỏi mối đe dọa từ con người

Setsuna recalls her past after being separated from Towa, and how she was raised by the half bat-demon Shiori, leader of the village of half-demons which she has kept safe with her incredibly strong demonic barrier. When a poisonous moth-demon, by the name of Gaga Gozen, comes to devour the half-demon children, they are aided by Miroku as Shiori's demon-bat abilities have all been neutralized by the appearance of a solar eclipse and turning her fully mortal with black hair. This stirs the very powerful demon blood within Setsuna to emerge, further increasing Setsuna's dog-demon abilities to kill Gonzen in mere seconds. Miroku then knocks her out with poison from the demon-slayers, and applies a strong seal on her demon blood using the naginata she had taken from Gonzen as the focal point. With the battle over and her demonic powers back in full, Shiori re-erects the shield around the village, and has Setsuna live in the outside world with the promise that she should bring another half-demon, half-human child who feels troubled in any way; which was why Setsuna had brought Towa with her outside the cloaked entrance. (Source: Wikipedia)

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