The Testament of Sister New Devil

The Testament of Sister New Devil


Original Title: 新妹魔王の契約者

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Science-Fiction , Fantasy , Romance , Animation , Action & Adventure , Comedy




Yuichi Nakamura
Basara Tōjō (voice)
Ayaka Asai
Mio Naruse (voice)
Kaori Fukuhara
Maria Naruse (voice)
Tomokazu Sugita
Yahiro Takigawa (voice)
Iori Nomizu
Kurumi Nonaka (voice)
Yuu Asakawa
Chisato Hasegawa (voice)
Keiji Fujiwara
Jin Tōjō (voice)
Seiko Yoshida
Zest (voice)
Sarah Emi Bridcutt
Yuki Nonaka (voice)


Toujou Basara is a high school student whose father has suddenly just remarried. His father then departs overseas leaving Basara with two new beautiful step-sisters. Little does he know, his new sisters, Mio and Maria are actually the new Demon Lord and a succubus!? Almost trapped into a life of servitude, Basara forms a reverse contract by accident and ends up becoming Mio's master! Hijinks ensue as Basara finds himself in one ecchi situation after another. However, Mio's life is in danger as she is pursued by demons and heroes!

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