In the United States, you can stream it on Crunchyroll and Crunchyroll Amazon Channel, and buy it on Apple TV Store for The Testament of Sister New Devil (2015). Availability changes often. ViewStreamer does not play the series; use Open watch options for the current JustWatch listing.
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!
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)
In the United States, you can stream it on Crunchyroll and Crunchyroll Amazon Channel, and buy it on Apple TV Store for The Testament of Sister New Devil (2015). Availability changes often. ViewStreamer does not play the series; use Open watch options for the current JustWatch listing.
Netflix is not listed as a current US subscription option for The Testament of Sister New Devil. Other services may still offer it to stream, rent, or buy.
Amazon Prime Video is not listed as a current US subscription option for The Testament of Sister New Devil. It may still be available to rent or buy.
No. ViewStreamer is a discovery guide for legal US streaming. Playback happens on the service that carries the series, not on this site.
Availability via JustWatch. Open the official listing to jump to Netflix, Prime, and other services.
Crunchyroll
Crunchyroll Amazon Channel
Apple TV Store