When Basayo's father remarries and he finds himself with two new step-sisters, it comes to a shock to him when the pair of them are demons in The Testament of Sister New Devil: Season 1 - Limited Edition Blu-ray Box Set.

Limited edition includes chipboard box, art book, and fabric poster, all featuring special artwork that is not available on the standard edition release!

When a pair of sexy girls, Maria and Mio, come to live with high school student Basara Tojo, his life changes forever. The two girls have a secret that they don’t keep for long - Maria is a succubus, and Mio is a future Demon Lord.

But Basara has a secret of his own - he’s the last descendant from a clan of demon-fighting heroes. To make things even more complicated, the girls force Basara into a master-servant contract, and Basara ends up becoming their master!

What happens when you put a succubus, a demoness, and a demon-fighting hero under the same roof? They form a bond that will help them to take on anything!