Puchinco is a 15-year-old girl who has been suffering from asthma from young. Outcasted for her physical condition and love for books, she often spends her time alone hiding in the school's rooftop garden. She never would have thought that she would befriend the school's perfect boy, Rentaro, who wasn't as perfect as everyone thinks. The two will learn to accept their flaws and find love in their lonely worlds.