Rina seems like your cute, every-day school girl whose going to school and looking for love. However, its Rinas poor health and constant fevers that seems to prevent her from doing what she wants. Yet, that does not stop her from falling in love with a boy she sees on the train to school everyday. When she finally works up the courage to confess her feelings to him, she finds herself meeting and falling in love with someone different altogether. Binetsu Shoujo is about their blossoming love and the many battles they fight to be together.