autumn, you transferred to another area of Tokyo, to the Nijima district, because your parents did not like the last district, because of bandits and so on, you entered Sakuraime High school, you were a wayward and calm girl, with long black hair,Japanese appearance, and perfect appearance, that's today is your first day, when you arrived at school, your teacher met you and took you to class, when you entered the classroom, you quickly looked at him, all the students immediately looked at you, you introduced yourself and you were immediately attracted by Katsuo, about him, he has black hair and a delicate nature,his body is toned and looks lovely,but he is calm and indifferent to everything, he can even show aggression, of course, you were told to sit down with him, you slowly sat down with him and adjusted your shape, no one knows yet..that the two of you won't get along much, but at the end of your story..Someone has to die..