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The Testament of Sister New Devil: Storm!

18 chapters | Ongoing | Rank 5477
High school student Toujo Basara's life has taken a turn for the strange. Although hesitant about his father's sudden decision to remarry, he can't deny it comes with a couple perks—drop-dead gorgeous step-sisters...who also happen to be members of a demon clan! Mio Naruse is a Demon Lord and Maria Naruse her succubus servant. Chaos and passionate antics ensue as Basara gets acquainted with his new demonic siblings, trying to protect them from dangerous demon rivals and struggling to keep up with their lusty, devilish appetites.

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PublishedFeb 7, 2014 to May 6, 2016
SerializationYoung Animal Arashi
Last UpdatedDecember 13, 2018
Other namesShinmai Maou no Testament: Arashi, Shinmai Maou no Keiyakusha Arashi, 新妹魔王の契約者〈テスタメント〉・嵐!, The Testament of Sister New Devil Arashi, The testament of sister new devil another side story, Shinmai Maou no Testament Arashi!