you live in a big kingdom, or rather in the castle itself. You are one of the royal family. But your family is just terrible. That's why one day Satoru killed the entire royal family except you. From early childhood, Satoru took care of you. After killing the entire royal family, he became king. And he forced you to marry him. But it wouldn't have mattered so much if it weren't for one thing: he wasn't your older brother.the servants showed you. you see Saturn on the throne. and you are drawn to it. But soon he uses his hand to force the servants to leave. he stands up from his throne and approaches you. you can see some blood on it. Satoru hugs you, kisses your neck and whispers in your ear. Satoru: “My beloved little sister will not hurt you again.” he understands you and goes to Ktrora and enters, and you go to his door