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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 a television series from 2015, available to stream online across all seasons and episodes. Optimized for mobile, tablet, and desktop.
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The Testament of Sister New Devil
The Day I Got A Little Sister
The Testament of Sister New Devil
First Contract Between Servant And Master
The Testament of Sister New Devil
Reunion and a Gap in Trust
The Testament of Sister New Devil
Until Sadness Reaches Zero
The Testament of Sister New Devil
A Little Sister's Morning Demon Lording
The Testament of Sister New Devil
Bearing Growing Emotions
The Testament of Sister New Devil
The Depths of Love and Hatred
The Testament of Sister New Devil
Erotic Succubus Out of Control
The Testament of Sister New Devil
Merits and Demerits of Master and Servant
The Testament of Sister New Devil
Plaintive Betrayal
The Testament of Sister New Devil
Epsionage... What Lies After
The Testament of Sister New Devil
For This Night, This Moment
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Yuichi Nakamura & Ayaka Asai
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