“Hey, you said you wanted a little sister, right?”First year highschool student, Toujo Basara, was suddenly asked this question by his father, and he fell into a state of panic On top of that, the eccentric father told hi re Basara two beautiful step-sistersBut Mio and Maria’s true forms 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 thehit 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 ins!