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Shinmai Maou no Testament

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"Hey, you said you wanted a little sister, right?" First year highschool student, Toujo Basara, was suddenly asked this question by his father, and he fell into a state of panic. On top of that, the eccentric father told him that he will be getting remarried. He then departed overseas after bringing Basara two beautiful step-sisters. But Mio and Maria's true forms are actually a newbie Demon Lord and a succubus!? Basara was almost forced into a master and servant contract … read more

Rank #2709 (Most Popular Manga) Rank #2003 (Highest Rated Manga)

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Manga Details
  • English
  • English (American) The Testament of Sister New Devil
  • Japanese 新妹魔王の契約者〈テスタメント〉
  • Japanese (Romaji) Shinmai Maou no Testament
  • Synonyms Shinmai Maou no Keiyakusha
  • Type Novel
  • Chapters 58
  • Status Finished
  • Published Oct 1, 2012 to Apr 1, 2018
  • More info