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Shinmai Maou no Testament

66.72% Community Approval

Running into your new stepsister in the bathroom is not the best way to make a good first impression, which Basara Toujou learns the hard way. When his father suddenly brings home two beautiful girls and introduces them as his new siblings, he has no choice but to accept into his family the Naruse sisters: busty redhead Mio and petite silver-haired Maria. But when these seemingly normal girls reveal themselves as demons—Mio the former Demon Lord's only daughter and Maria … read more

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Anime Details
  • English The Testament of Sister New Devil
  • 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 TV
  • Episodes 12
  • Status Finished
  • Aired Jan 8, 2015 to Mar 26, 2015
  • Season Winter 2015
  • More info