The Testament of Sister New Devil 2015
- Status
- Ended
- First Aired
- January 7, 2015
- Last Aired
- December 11, 2015
- Format
- 2 seasons · 22 eps
- Total Runtime
- ~8.8 hours (24 min/ep)
- Highest Rated Episode
- S1E9 "Merits and Demerits of Master and Servant" (★ 8.2/10)
- Network
- Tokyo MX
- Where to Stream
- Crunchyroll, Crunchyroll Amazon Channel
What is The Testament of Sister New Devil?
The Testament of Sister New Devil is an anime television series that originally aired from 2015 to 2016. The story follows a high school student named Toujou Basara whose father suddenly remarries and departs for an overseas trip.
- Type
- TV series
- Year
- 2015
- Status
- Ended
- Episodes
- 22
- Runtime
- 24 minutes
- First aired
- Jan 7, 2015
- Last aired
- Dec 11, 2015
- Original language
- JA
- Origin
- JP
- Networks
- Tokyo MX
- Genres
- Animation, Action & Adventure, Comedy, Sci-Fi & Fantasy
- Updated
At a glance
- Rating
- ★ TMDB users: 7.9/10 from 362 votes
- Format
- 2 seasons · 22 episodes
- Episode runtime
- ~24 minutes
- Status
- Ended
- Network
- Tokyo MX
Where to watch in United States
Stream
Crunchyroll
Crunchyroll Amazon ChannelStream
Crunchyroll Amazon ChannelCrunchyrollBuy
Apple TV StoreStream
Aniverse Amazon Channel
Animation Digital Network
Anime Digital Network Amazon ChannelCrunchyroll Amazon ChannelRent
AkibapassBuy
Amazon VideoAkibapassStream
CrunchyrollCrunchyroll Amazon ChannelStream
CrunchyrollCrunchyroll Amazon ChannelStream
CrunchyrollCrunchyroll Amazon ChannelBuy
Apple TV StoreStream
CrunchyrollStream
CrunchyrollCrunchyroll Amazon ChannelStream
U-NEXT
Anime Times Amazon Channel
dAnime Amazon ChannelRent
FODStream
CrunchyrollCrunchyroll Amazon ChannelStream
CrunchyrollCrunchyroll Amazon ChannelBuy
Apple TV StoreStreaming availability data provided by JustWatch via TMDB. Availability changes by country and date; verify on the provider before subscribing or purchasing.
How long to binge?
Estimate the schedule using 22 episodes and an average 24-minute runtime.
Trailer
Overview
The Testament of Sister New Devil is an anime television series that originally aired from 2015 to 2016. The story follows a high school student named Toujou Basara whose father suddenly remarries and departs for an overseas trip. Basara is left in the care of two new stepsisters, Mio and Maria. Unbeknownst to Basara, his new siblings are actually a Demon Lord and a succubus. Following an accidental reverse contract, Basara becomes Mio’s master instead of falling into a life of servitude. As he navigates his new living situation, Basara frequently finds himself in various ecchi scenarios. The plot intensifies as Mio’s life is placed in danger due to persistent threats from both demons and heroes who are pursuing her. The series is available for streaming through platforms such as Crunchyroll and JustWatch. The production credits for the series, including information regarding directors, writers, and the cast of actors and actresses, are documented in industry databases.
Should you watch it?
“A high schooler discovers his new step-sisters are supernatural beings and becomes their accidental master.”
- features supernatural character dynamics
- includes comedic hijinks
- contains frequent suggestive situations
Watch it if you enjoy supernatural anime comedies involving accidental contracts and high-stakes danger.
This series contains mature, suggestive themes and ecchi content unsuitable for younger viewers.
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Cast
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Episode guide
Spoiler-Safe Browsing Progress
Season 1 · 12 episodes
Open the complete Season 1 guide & lore primer →- E1 The Day I Got A Little Sister Mytharc Jan 7, 2015
- E2 First Contract Between Servant And Master Mytharc Jan 14, 2015
- E3 Reunion and a Gap in Trust Core Jan 21, 2015
- E4 Until Sadness Reaches Zero Core Jan 28, 2015
- E5 A Little Sister's Morning Demon Lording Core Feb 4, 2015
- E6 Bearing Growing Emotions Core Feb 11, 2015
- E7 The Depths of Love and Hatred Core Feb 18, 2015
- E8 Erotic Succubus Out of Control Core Feb 25, 2015
- E9 Merits and Demerits of Master and Servant Core Mar 4, 2015
- E10 Plaintive Betrayal Mytharc Mar 11, 2015
- E11 Epsionage... What Lies After Mytharc Mar 18, 2015
- E12 For This Night, This Moment Mytharc Mar 25, 2015
Season 2 · 10 episodes
Open the complete Season 2 guide & lore primer →- E1 What I Can Do For You Mytharc Oct 9, 2015
- E2 Suspicions Deepening Within Mysteries Core Oct 16, 2015
- E3 My Cherished Feelings, For You Core Oct 23, 2015
- E4 Amidst Entwining Plots Mytharc Oct 30, 2015
- E5 Amidst the Wind Blowing Through the Battlefield Mytharc Nov 6, 2015
- E6 Between Reality and One's Own Truth Core Nov 13, 2015
- E7 Between Entwining Plots and Desires Core Nov 20, 2015
- E8 Those Contending For The Future Core Nov 27, 2015
- E9 Beyond the Endless Dream Mytharc Dec 4, 2015
- E10 The Consequences of What Must Be Done Mytharc Dec 11, 2015
Frequently asked questions
What is the premise of the series?
Basara Toujou finds himself living with two step-sisters who are actually a Demon Lord and a succubus.
What happens to Basara?
He accidentally forms a reverse contract that makes him the master of his step-sister, Mio.
Is there conflict in the show?
Yes, Mio is pursued by both demons and heroes, placing her life in constant danger.
What is the tone of the show?
The series balances supernatural action with frequent ecchi situations.
Does the father play a role?
The father leaves for overseas shortly after remarrying, leaving Basara alone with his new sisters.
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