更新日 2026-08-24

Shinmai Maou no Testament

原作 UESU Tetsuto 作画 MIYAKO Kashiwa

高校生の刃更は父親の突然の再婚によって二人の義理の妹・澪と万里亜と一緒に暮らすことになる。しかし、二人は実は新米な魔王とサキュバスだった!?超王道にしてかなりHいバトルアクション開幕! "Hey, you said you wanted a sister, right?" First year highschool student, 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 will be getting remarried. He then departed overseas after bringing Basara two beautiful step-sisters. But Mio and Maria's true forms are actually the newbie Demon Lord and a succubus!? Basara was almost entered 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 situation 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!