- Shinmai Maou no Keiyakusha Wiki is dedicated to the Light Novel series The Testament of Sister New Devil (新妹魔王の契約者) written by Tetsuto Uesu and illustrated by Nekosuke Ōkuma (Nitro+) with five volumes released since September 2012. The manga adaptation is written again by Tetsuto Uesu but is drawn by Miyako Kashiwa and has been serialized since May 2013. Another seinen version of the manga is illustrated by Fumihiro Kiso and began serialization in February 2014. An anime adaptation will be aired in 2015, with it being directed by Hisashi Saito.
"Hey, you said you wanted a little sister, right?" High school freshman, Basara Tojo, was suddenly asked this question by his father who tells him that he's getting remarried. He then departed overseas after bringing Basara two beautiful step-sisters; Mio and Maria. But the true forms of the two girl's are actually a newbie Demon Lord and a succubus! Basara was almost forced into a master and servant contract with Mio, but a "reversed" contract was formed by mistake, and Basara is now the master. Moreover, Basara is being hit by ecchi situations one after another due to the contract, but Mio's life is being pursued by other demon tribes and hero tribes!! The most powerful contractor's desire action drama begins!
- The anime of The Testament of Sister New Devil is set to air in 2015! New!
- Light Novel Volume VI is set to be released on the 1st of September!
- Manga Volume 3 is set to be published on the 27th of September!
- Volume 2, Chapter 3 of the Light Novel has been translated by Baka-Tsuki!
- Completion of Chapter 4 is at:
- Shinmai Maou no Keiyakusha Wiki has been affiliated with Seirei Tsukai no Blade Dance Wiki!
The following contains spoilers. You have been warned, click here to view contents.
Read the chapter.
Volume 3 of the Manga will be published on August 26th!
- There are many Hero Tribes across the world, each with their own territory!
- Basara was banished for disintegrating the remains of his dead allies!
- Jin was once heralded as the strongest Hero!
- Mio could only use magic after Wilbert's death!
- Gods exists within a Tribe in Heaven with a high-ranking ruler!
Who is your favorite member of Basara's harem?