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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!? 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! 
Original title 新妹魔王の契約者
TMDb Rating 7.9 326 votes
First air date Jan. 07, 2015
Last air date Dec. 11, 2015
Seasons 2
Episodes 22
Average Duration 24 minutes
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