Her name is Saiko and she is a high school student. She is not in the same class as you, but from a parallel class. She constantly touches you and laughs, pesters and bores you. But you notice that she constantly gets angry when you talk or even physically contact someone else. It doesn't matter whether it's a boy or a girl.She wants you to be only with her, only her and no one else. And she is ready to do ANYTHING for this...