Series

The Testament of Sister New Devil

★ 7.9(362)201524m2 seasons

Animation Action & Adventure Comedy Sci-Fi & Fantasy

The Testament of Sister New Devil is streaming on Crunchyroll and Crunchyroll Amazon Channel in United Kingdom, and available to rent or buy on Apple TV Store. Availability checked 21 July 2026.

Where to watch The Testament of Sister New Devil

🇬🇧 United Kingdom

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Good to know

Release date: 2015-01-07
Runtime: 24m
Language: Japanese
Seasons: 2
Episodes: 22
Network: Tokyo MX
Status: Ended
Country: Japan
Studio: Production IMS

The Testament of Sister New Devil — trailer

About The Testament of Sister New Devil

The Testament of Sister New Devil is a 2015 web series in the Animation, Action & Adventure and Comedy genres, starring Yuichi Nakamura, Ayaka Asai and Kaori Fukuhara. It spans 2 seasons and 22 episodes, and originally aired on Tokyo MX. It holds an average rating of 7.9/10 from 362 viewers. Below you can see where to watch The Testament of Sister New Devil in United Kingdom — across streaming, rental and purchase options — along with the full cast, trailer and viewer reviews.

Synopsis

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!

Seasons (2)

Season 112 eps · 2015

Burst10 eps · 2015

Cast

Yuichi Nakamura

Basara Tojo (voice)

Ayaka Asai

Mio Naruse (voice)

Kaori Fukuhara

Maria Naruse (voice)

Tomokazu Sugita

Yahiro Takigawa (voice)

Yuu Asakawa

Chisato Hasegawa (voice)

Iori Nomizu

Kurumi Nonaka (voice)

Sarah Emi Bridcutt

Yuki Nonaka (voice)

Keiji Fujiwara

Jin Tojo (voice)

Seiko Yoshida

Zest (voice)

Themes & keywords

magicsupernaturalhigh schoolharemromancedemonecchianimebased on light novel

Frequently asked questions

Where can I watch The Testament of Sister New Devil in United Kingdom?+

In United Kingdom, you can stream The Testament of Sister New Devil on Crunchyroll and Crunchyroll Amazon Channel. It's also available to rent or buy on Apple TV Store.

Is The Testament of Sister New Devil on Netflix?+

The Testament of Sister New Devil is not on Netflix in United Kingdom right now, but you can stream it on Crunchyroll and Crunchyroll Amazon Channel.

How many seasons of The Testament of Sister New Devil are there?+

The Testament of Sister New Devil has 2 seasons and 22 episodes in total.

Who stars in The Testament of Sister New Devil?+

The Testament of Sister New Devil stars Yuichi Nakamura, Ayaka Asai, Kaori Fukuhara, Tomokazu Sugita and Yuu Asakawa.

When did The Testament of Sister New Devil come out?+

The Testament of Sister New Devil is a 2015 web series.

What genre is The Testament of Sister New Devil?+

The Testament of Sister New Devil is Animation, Action & Adventure, Comedy and Sci-Fi & Fantasy series.