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!
First Air Year
2015
Seasons
2
Audience Score
7.9
Genres
Animation, Action & Adventure, Comedy, Sci-Fi & Fantasy
Series Snapshot
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!
Keep Watching
Use the season guide, related shows, and curated discovery pages below to keep exploring similar series.
DISCOVERY PATHS
These curated pages help Google and real users understand what this show connects to on NextWatch.
Guides
Shows Like Stranger Things
Sci-fi and mystery shows with strong groups, dark secrets, and easy binge energy.
Comfort TV Shows To Binge
Easy-return series with familiar rhythms, lighter stress, and strong rewatch appeal.
Best Sci-Fi Shows To Binge
Binge-friendly sci-fi shows with strong hooks, memorable worlds, and enough momentum to keep the next episode easy.
Lists
Topics
Superhero Universe
A hub for superhero movies, comic-book franchises, and connected blockbuster universes.
Horror Night
A fast route into horror movies, scary favorites, and dark mystery shows for night viewing.
Science Fiction Worlds
Explore ambitious sci-fi movies and shows, from space stories to mind-bending future worlds.
Season Guide
Browse seasons and episode titles in one place.
More Like This
If you enjoyed this series, here are a few similar shows to try next.
