• Book Name: Shinmai Maou no Testament Manga
• Alternative(s): El testamento de la nueva hermana demonio.; 새 여동생 마왕의 계약자; New Little Sister Devil's Contractor; New Sister Archfiend Testament; O Testamento da Nova Irmã Demônio; Shinmai Maou no Keiyakusha; The Testament of Sister New Devil; 新妹魔王の契約者; 新妹魔王的契约者漫画
• Genre(s): Action Adventure Comedy Drama Ecchi Harem Romance School Life Shounen Supernatural
• Author(s): UESU Tetsuto
• Status: Ongoing Download Manga
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Summary: "Hey, you said you wanted a little sister, right?" Highschool freshman, Toujo Basara, was suddenly asked by his father and fell into a state of panic. On top of that, the eccentric father told him he would be getting remarried. He then departed overseas after bringing Basara two beautiful step-sisters. Things aren't as they seem in this series, as Basara discovers that his new "family" has a few secrets he's yet to unveil.adaptation of the light novel series written by Uesu Tetsuto and with illustrations by Ookuma NekosukeSpin-off:> Shinmai Maou no Keiyakusha Arashi! ( http://bato.to/comic/_/comics/shinmai-maou-no-keiyakusha-arashi-r14333 )