新妹魔王の契約者
- Animation
- Action & Adventure
- Comedy
- Sci-Fi & Fantasy
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 is an action-comedy anime that premiered in 2015, following a high school student who discovers his new stepsisters are a demon lord and a succubus. The series ran for 2 seasons and has since concluded, blending supernatural adventure with comedic chaos as the protagonist becomes entangled in unexpected magical contracts.
When does The Testament of Sister New Devil come out?
Where to watch
Streaming availability in United States
United States
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Digital purchase & rental in United States
Where to watch The Testament of Sister New Devil by country
United Kingdom
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Germany
France
Spain
Italy
Canada
Australia
BrazilTop cast
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Yuichi NakamuraBasara Tojo (voice)
Ayaka AsaiMio Naruse (voice)
Kaori FukuharaMaria Naruse (voice)
Yuu AsakawaChisato Hasegawa (voice)
Iori NomizuKurumi Nonaka (voice)
Sarah Emi BridcuttYuki Nonaka (voice)
Keiji FujiwaraJin Tojo (voice)
Seiko YoshidaZest (voice)
Tomokazu SugitaYahiro Takigawa (voice), Lars (voice), White Mask (voice)
Shuusaku ShirakawaBad D (voice)
Natsumi OshitaFemale Student (voice)
Osamu KanekoMan (voice)
Rika KinugawaWoman (voice)
Kenji NomuraVolga (voice)
Daisuke HirakawaShiba Kyōichi (voice)
Trailer
The Testament of Sister New Devil: Season 1 - Trailer
Seasons
2 seasons
Episodes · Season 2
Full season| # | Title | Air date | Runtime | Rating |
|---|---|---|---|---|
| 01 | What I Can Do For You | 2015-10-09 | 25m | 7.7 |
| 02 | Suspicions Deepening Within Mysteries | 2015-10-16 | 23m | 8.0 |
| 03 | My Cherished Feelings, For You | 2015-10-23 | 25m | 5.0 |
| 04 | Amidst Entwining Plots | 2015-10-30 | 24m | 5.0 |
| 05 | Amidst the Wind Blowing Through the Battlefield | 2015-11-06 | 24m | 5.0 |
| 06 | Between Reality and One's Own Truth | 2015-11-13 | 23m | 7.7 |
| 07 | Between Entwining Plots and Desires | 2015-11-20 | 25m | 8.0 |
| 08 | Those Contending For The Future | 2015-11-27 | 23m | 8.0 |
| 09 | Beyond the Endless Dream | 2015-12-04 | 23m | 8.0 |
| 10 | The Consequences of What Must Be Done | 2015-12-11 | 26m | 8.0 |
Related & spin-offs
Other titles fans of The Testament of Sister New Devil tend to follow.
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Samurai GirlsConfirmed2010
SekireiConfirmed2008
How Not to Summon a Demon LordConfirmed2018
Peter Grill and the Philosopher's TimeConfirmed2020
Is The Testament of Sister New Devil renewed or cancelled?
The Testament of Sister New Devil has ended — it concluded its planned run.
The Testament of Sister New Devil — frequently asked
When did The Testament of Sister New Devil air?
The series first premiered on January 7, 2015. It ran for 2 seasons before concluding.
What is the series about?
The story follows Toujou Basara, a high school student whose father remarries and leaves him with two new stepsisters—who are actually a demon lord and a succubus. After accidentally forming a reverse contract, Basara becomes the demon lord's master while navigating magical dangers and comedic situations.
How many seasons are there?
The Testament of Sister New Devil has 2 seasons. The series has ended and no renewal has been announced.
What genres does this anime cover?
The series blends animation, action, adventure, comedy, and sci-fi/fantasy elements, with a focus on supernatural themes and humor.
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