As Junichi Hashiba approaches the end of high school, he finds himself in a state of panic. His expectations of this period have not been met as he lacks a girlfriend and even worse- he is still a virgin! In a desperate bid to experience his "first," Junichi's friends push him to ask out the fashionable and boy-crazy gal- Yukana Yame. However, it turns out that his assumptions about her were far from correct, as she proved to be a tough nut to crack!