The Testament of Sister New Devil

TV 2015 Completed 63%

When a pair of sexy girls, Maria and Mio, come to live with high school student Basara Toujou, 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!

(Source: Funimation)

Official Siteanime-shinmaimaou.com

Episodes12 / 12

Duration24 min

SeasonWinter

CountryJapan

AdultNo

RomajiShinmai Maou no Testament

Native新妹魔王の契約者

Last Update2026-07-25 15:20:44

StudiosProduction IMS

The Testament of Sister New Devil
TV 2015 Completed 63%

When a pair of sexy girls, Maria and Mio, come to live with high school student Basara Toujou, 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!

(Source: Funimation)