Where to watch The Testament of Sister New Devil(2015)
In the United States, The Testament of Sister New Devil is available to stream on Crunchyroll. You can also buy it on Apple TV.
Where to stream The Testament of Sister New Devil
Availability in United States
Included with subscription
Crunchyroll
Buy
Apple TV
Data updated on October 10, 2026. Availability data from JustWatch.
The Testament of Sister New Devil plot summary
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!
Details
- Original title
- 新妹魔王の契約者
- First aired
- January 7, 2015
- Episode runtime
- 24m
- Genres
- Animation, Action & Adventure, Comedy, Sci-Fi & Fantasy
- Seasons
- 2
- Episodes
- 22
- Network
- TOKYO MX
- Status
- Ended
- Country
- Japan
- TMDB rating
- 7.9 / 10 · 372 votes
The Testament of Sister New Devil trailer
Cast
Yuichi NakamuraBasara Tojo (voice)
Ayaka AsaiMio Naruse (voice)
Kaori FukuharaMaria Naruse (voice)
Tomokazu SugitaYahiro Takigawa (voice)
Yuu AsakawaChisato Hasegawa (voice)
Iori NomizuKurumi Nonaka (voice)
Sarah Emi BridcuttYuki Nonaka (voice)
Keiji FujiwaraJin Tojo (voice)
Seiko YoshidaZest (voice)
FAQ
Where can I watch The Testament of Sister New Devil?
In the United States, The Testament of Sister New Devil is available to stream on Crunchyroll. You can also buy it on Apple TV.
Can I rent or buy The Testament of Sister New Devil?
Yes. In the United States you can buy it on Apple TV.
How many seasons does The Testament of Sister New Devil have?
The Testament of Sister New Devil has 2 seasons and 22 episodes. Status: ended.
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