Available in United States
Where can I watch The Testament of Sister New Devil in United States?
As of 2026-09-11, in United States: The Testament of Sister New Devil streams on Crunchyroll, Crunchyroll Amazon Channel; rent or buy on Apple TV Store.
TV-MA · 2015 · Ended · 2 seasons · 22 episodes · 24m
TMDB 7.9 · 366 votes
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!
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Streaming in 5 of 6 tracked countries as of 2026-09-11.
| Country | Licensed apps |
|---|---|
| India | Not listed |
| United States | Apple TV Store, Crunchyroll, Crunchyroll Amazon Channel |
| United Kingdom | Apple TV Store, Crunchyroll, Crunchyroll Amazon Channel |
| Japan | U-NEXT, FOD, Anime Times Amazon Channel, dAnime Amazon Channel |
| Germany | Amazon Video, Crunchyroll Amazon Channel, Aniverse Amazon Channel, Animation Digital Network, Anime Digital Network Amazon Channel, Akibapass |
| Brazil | Crunchyroll, Crunchyroll Amazon Channel |
Yuichi Nakamura
Basara Tojo (voice)
22 Episodes
Ayaka Asai
Mio Naruse (voice)
22 Episodes
Kaori Fukuhara
Maria Naruse (voice)
22 Episodes
Sarah Emi Bridcutt
Yuki Nonaka (voice)
21 Episodes
Tomokazu Sugita
Yahiro Takigawa (voice)
17 Episodes
Keiji Fujiwara
Jin Tojo (voice)
16 Episodes
Seiko Yoshida
Zest (voice)
16 Episodes
Yuu Asakawa
Chisato Hasegawa (voice)
14 Episodes
Iori Nomizu
Kurumi Nonaka (voice)
14 Episodes
Masaaki Itatori
Guest (voice)
11 Episodes
70% · 2015 · 10 Episodes
After two demon girls, Maria the succubus and Mio the demoness, force Basara into a contract that makes him their master, the trio form a complicated master-servant relationship. Basara is the last descendant of a demon-fighting hero clan, but as master of two demon girls, he finds himself defending them instead of fighting them.
The Consequences of What Must Be Done (2x10, 11 December 2015)
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!
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