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Where to watch The Testament of Sister New Devil (2015)
The Testament of Sister New Devil is streaming on Crunchyroll in 68 countries, Aniverse Amazon Channel in 2 countries and Anime Digital Network Amazon Channel in 2 countries, plus 8 more services. In the US, you can watch it on Crunchyroll and Crunchyroll Amazon Channel. In the UK, you can watch it on Crunchyroll and Crunchyroll Amazon Channel.
The Testament of Sister New Devil
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!
Also available regionally
Aniverse Amazon Channel
Anime Digital Network Amazon Channel
Animation Digital Network
U-NEXT
Anime Times Amazon Channel
dAnime Amazon Channel
FOD
Watcha
TVING
Quick answers
Is The Testament of Sister New Devil on Netflix?
No. The Testament of Sister New Devil isn't on Netflix in any country right now.
Is The Testament of Sister New Devil on Prime Video?
No. The Testament of Sister New Devil isn't on Prime Video in any country right now.
Is The Testament of Sister New Devil on Disney+?
No. The Testament of Sister New Devil isn't on Disney+ in any country right now.
Is The Testament of Sister New Devil on Max?
No. The Testament of Sister New Devil isn't on Max in any country right now.
Where can I watch The Testament of Sister New Devil in the US?
In the US, The Testament of Sister New Devil is streaming on Crunchyroll and Crunchyroll Amazon Channel.
Where can I watch The Testament of Sister New Devil in the UK?
In the UK, The Testament of Sister New Devil is streaming on Crunchyroll and Crunchyroll Amazon Channel.
Where can I watch The Testament of Sister New Devil in Canada?
In Canada, The Testament of Sister New Devil is streaming on Crunchyroll.
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Last updated October 7, 2026.