Shinmai Maou no Testament (2015)
Genre: Adventure | Animation | Japanese
Release: 08 January 2015
IMDB link: IMDB
Synopsis: 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!?