The Testament of Sister New Devil (2015)
A supernatural harem anime where high schooler Basara Tojo discovers his new stepsisters are a Demon Lord and a succubus — and accidentally becomes their master.
The Testament of Sister New Devil - Series Information
- Original Title: 新妹魔王の契約者
- First Air Year: 2015
- Last Air Year: 2015
- Type: TV Series
- Genres: Animation, Action, Adventure, Comedy, Sci-Fi, Fantasy
- Content Rating (US): TV-MA
- Episode Runtime: Average runtime per episode: 24 minutes
- Number of Seasons: 2
- Number of Episodes: 22
- Status: Ended
- Original Language: Japanese
- Spoken Languages: Japanese
- First Air Date: January 7, 2015 (United States - TV-MA), January 7, 2015 (Canada - 18+), January 7, 2015 (United Kingdom - 18), January 7, 2015 (Germany - 16), January 7, 2015 (France - 18), January 7, 2015 (Australia - R 18+), January 7, 2015 (Brazil - 18), January 7, 2015 (Mexico - C), January 7, 2015 (Spain - 18), January 7, 2015 (South Korea - 19)
- Networks: Tokyo MX
- Alternative Titles: Shinmai Maô no Testament: Burst (JP)
- Production Companies: Production IMS
- Production Countries: Japan, United States of America
The Testament of Sister New Devil - Plot
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!
The Testament of Sister New Devil - Trailer
Watch the official trailer and see the supernatural chaos unfold from the very first episode.
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The Testament of Sister New Devil - Cast & Crew
Main Cast
- Tomokazu Sugita
- Yuichi Nakamura
- Ayaka Asai
- Kaori Fukuhara
- Sarah Emi Bridcutt
- Keiji Fujiwara
- Seiko Yoshida
- Yuu Asakawa
- Iori Nomizu
- Masaaki Itatori
Writers
- Takawo Yoshioka
- Sumio Uetake
- Yasunori Yamada
Executive Producers
- Takeshi Yasuda
The Testament of Sister New Devil - FAQs
What is The Testament of Sister New Devil about?
The Testament of Sister New Devil follows Basara Tojo, a high school student who discovers his two new stepsisters are actually a Demon Lord named Mio and a succubus named Maria. After accidentally forming a master-servant contract with Mio, Basara must protect her from pursuing demons and rival heroes while navigating increasingly outrageous supernatural situations.
Is The Testament of Sister New Devil based on a light novel?
Yes. The Testament of Sister New Devil is adapted from a light novel series written by Tetsuto Uesu and illustrated by Nekosuke Okuma. The novels were published in Japan by Kadokawa Shoten under the Kadokawa Sneaker Bunko imprint beginning in 2012, and the anime adaptation aired in 2015.
Who are the main voice actors in this series?
The principal voice cast includes Yuichi Nakamura as protagonist Basara Tojo, Ayaka Asai as Mio Naruse, Kaori Fukuhara as Maria Naruse, Sarah Emi Bridcutt as Yuki Nonaka, Keiji Fujiwara as Jin Tojo, and Tomokazu Sugita as Yahiro Takigawa, among others.
How many seasons does The Testament of Sister New Devil have?
The Testament of Sister New Devil has 2 main seasons. Season 1 contains 12 episodes and Season 2, subtitled Burst, contains 10 episodes. An additional collection of 13 special episodes is also available, bringing the total episode count across all content to 35.
Where can you stream The Testament of Sister New Devil?
The Testament of Sister New Devil is available to stream on Crunchyroll and through the Crunchyroll Amazon Channel. It can also be purchased digitally via the Apple TV Store. For a full, up-to-date list of streaming options in your region, check JustWatch.
What is the content rating for this anime?
The Testament of Sister New Devil carries a TV-MA content rating in the United States, indicating it is intended for mature audiences only. International ratings include 18+ in Canada, the UK, France, and Brazil, 16 in Germany, R 18+ in Australia, and 19+ in South Korea, reflecting its explicit ecchi content.
Is The Testament of Sister New Devil worth watching?
For fans of the ecchi harem subgenre, The Testament of Sister New Devil delivers on its premise with energetic action sequences and supernatural world-building layered beneath its fan-service-heavy presentation. Viewers who enjoy similar titles like Hybrid x Heart Magias Academy Ataraxia or Aesthetica of a Rogue Hero are likely to find it entertaining.
What are some shows similar to The Testament of Sister New Devil?
If you enjoyed The Testament of Sister New Devil, consider Hybrid x Heart Magias Academy Ataraxia, Aesthetica of a Rogue Hero, Campione!, Dragonar Academy, or Black Summoner. These series share comparable themes of supernatural action, harem dynamics, and fantasy world-building with a mature, ecchi-oriented tone.
More About The Testament of Sister New Devil
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