Videos: Trailers, Teasers, Featurettes
First-year high school student, Toujo Basara, was suddenly have two beautiful step-sisters adopted by his father. But Mio and Maria's true forms are actually the newbie Demon Lord and a succubus!?
Streaming, rent, or buy The Testament of Sister New Devil – Season 1:
You are able to buy "The Testament of Sister New Devil - Season 1" on Microsoft Store as download.