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Available in United States
Where can I watch?
As of 2026-09-12, The Testament of Sister New Devil (2015) streams on 5 of 6 tracked regions. United States: Crunchyroll, Crunchyroll Amazon Channel. United Kingdom: Crunchyroll, Crunchyroll Amazon Channel. Japan: U-NEXT, Anime Times Amazon Channel, dAnime Amazon Channel. Germany: Animation Digital Network, Aniverse Amazon Channel, Crunchyroll Amazon Channel, Anime Digital Network Amazon Channel. Brazil: Crunchyroll, Crunchyroll Amazon Channel.
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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Available in United States
Where can I watch?
As of 2026-09-12, The Testament of Sister New Devil (2015) streams on 5 of 6 tracked regions. United States: Crunchyroll, Crunchyroll Amazon Channel. United Kingdom: Crunchyroll, Crunchyroll Amazon Channel. Japan: U-NEXT, Anime Times Amazon Channel, dAnime Amazon Channel. Germany: Animation Digital Network, Aniverse Amazon Channel, Crunchyroll Amazon Channel, Anime Digital Network Amazon Channel. Brazil: Crunchyroll, Crunchyroll Amazon Channel.
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!
Read
Markets
Region follows your wt_region cookie (or IP on first visit).
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Streaming in 5 of 6 tracked countries as of 2026-09-12.
| 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 |
This product uses the TMDB API but is not endorsed or certified by TMDB. Extra data may come from AniList, OMDb, Jikan, and Wikipedia.
Streaming in 5 of 6 tracked countries as of 2026-09-12.
| 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 |
This product uses the TMDB API but is not endorsed or certified by TMDB. Extra data may come from AniList, OMDb, Jikan, and Wikipedia.
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)
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)
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
Lars (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
Kraus (voice)
11 Episodes
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
Lars (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
Kraus (voice)
11 Episodes
