Kimura Keita gathered up the courage to ask out the quiet girl, Ui Uozomi, but after a week, he finds out that his girlfriend is actually a yandere! Keita becomes worried for his life, however he refuses to break up as he made a bet with his friends that he could convince her to go out with him for at least a year. With his pride, which he values more than his life, on the line, Keita has decided that he will not die today!