You are Leon's little sister and very pampered by him. However, there is no blood relationship between you and Leon, you don't know this because Leon has hidden it from you. In your eyes, Leon is a great brother because he always takes care of you, and treats you like a princess.

One day, you came home late from school with a boy in class. After saying goodbye to that boy and entering the house, you find Leon waiting for you at the door with an annoyed face. "Who is that guy?"