The Testament of Sister New Devil
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!
Where to watch The Testament of Sister New Devil in United States
Crunchyroll
Crunchyroll Amazon Channel
Apple TV StoreClick a service to open The Testament of Sister New Devil there. Availability last verified on June 20, 2026.
Where is The Testament of Sister New Devil streaming around the world?
| Country | Streaming on | Rent / Buy |
|---|---|---|
| United States | Crunchyroll, Crunchyroll Amazon Channel | Apple TV Store |
| United Kingdom | Crunchyroll, Crunchyroll Amazon Channel | Apple TV Store |
| Canada | Crunchyroll Amazon Channel, Crunchyroll | Apple TV Store |
| Germany | Aniverse Amazon Channel, Animation Digital Network, Anime Digital Network Amazon Channel, Crunchyroll Amazon Channel | Akibapass, Amazon Video |
| France | Crunchyroll, Crunchyroll Amazon Channel | — |
| Spain | Crunchyroll, Crunchyroll Amazon Channel | — |
| Brazil | Crunchyroll, Crunchyroll Amazon Channel | — |
| Japan | U-NEXT, Anime Times Amazon Channel, dAnime Amazon Channel | FOD |
| South Korea | Watcha, Crunchyroll, TVING | — |
About The Testament of Sister New Devil
The Testament of Sister New Devil is a 2015 Japanese-language animation, action & adventure and comedy series. The cast is led by Yuichi Nakamura, Ayaka Asai, Kaori Fukuhara. It spans 2 seasons and 22 episodes and has concluded. Viewers rate it 7.9/10 across 400 ratings. In United States, it is currently streaming on Crunchyroll, Crunchyroll Amazon Channel.
The Testament of Sister New Devil was produced by Production IMS and made in Japan. It was first aired on January 7, 2015, and carries a TV-MA certification.
- First aired
- January 7, 2015
- Last aired
- December 11, 2015
- Original language
- Japanese
- Age rating
- TV-MA
- Status
- Ended
- Seasons
- 2 (22 episodes)
- Network
- Tokyo MX
- Country
- Japan
- Production
- Production IMS
The Testament of Sister New Devil cast & crew
The cast features Yuichi Nakamura as Basara Tojo (voice), Ayaka Asai as Mio Naruse (voice), Kaori Fukuhara as Maria Naruse (voice), Tomokazu Sugita as Yahiro Takigawa (voice), Yuu Asakawa as Chisato Hasegawa (voice), and Iori Nomizu as Kurumi Nonaka (voice).
Is The Testament of Sister New Devil worth watching?
The Testament of Sister New Devil holds an audience score of 7.9/10 from 358 ratings, marking it as well-reviewed animation series.
With 2 seasons and 22 episodes, it's a meaty weekend watch.
If you enjoy animation, action & adventure, and comedy, The Testament of Sister New Devil is worth a place on your watchlist.
How and where to watch The Testament of Sister New Devil
In United States, you can stream The Testament of Sister New Devil on Crunchyroll and Crunchyroll Amazon Channel, or rent and buy it on Apple TV Store. Click any service above to open it directly.
Streaming rights change country by country and month by month, so the options above reflect United States today — switch your country at the top of the where-to-watch section to see availability elsewhere.
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Cast of The Testament of Sister New Devil
Yuichi Nakamura
Basara Tojo (voice)
Ayaka Asai
Mio Naruse (voice)
Kaori Fukuhara
Maria Naruse (voice)
Tomokazu Sugita
Yahiro Takigawa (voice)
Yuu Asakawa
Chisato Hasegawa (voice)
Iori Nomizu
Kurumi Nonaka (voice)
Sarah Emi Bridcutt
Yuki Nonaka (voice)
Keiji Fujiwara
Jin Tojo (voice)
Seiko Yoshida
Zest (voice)
The Testament of Sister New Devil — FAQs
▸Where can I watch The Testament of Sister New Devil in United States?
The Testament of Sister New Devil is streaming on Crunchyroll, Crunchyroll Amazon Channel in United States.
▸Is The Testament of Sister New Devil on Crunchyroll?
Yes — The Testament of Sister New Devil is currently available on Crunchyroll in United States.
▸What language is The Testament of Sister New Devil in?
The Testament of Sister New Devil is originally in Japanese. Subtitle and dub options vary by streaming service.
▸How many seasons of The Testament of Sister New Devil are there?
The Testament of Sister New Devil has 2 seasons with 22 episodes in total.
▸What is The Testament of Sister New Devil rated?
The Testament of Sister New Devil is rated TV-MA. It holds a 7.9/10 audience score from 358 ratings.
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