Yumemi You is a 16-year-old boy who grew up with the idea of a perfect romantic school life; however, things turned out very differently from what he expected. With the help of his childhood friend Kamio Souta, they both hang a tanzaku with their wishes. You wishes to have a girlfriend, and Kamio wishes for his friend's wish to come true. To You's surprise, the next day he is visited by a mysterious girl.