Life in a house with no grown-ups seems to be doing wonders for Kajitsu. For the first time in her life, she has a best friend, and to everyone’s surprise, she’s taken an interest in boys. Too bad her crush is on the new Calligraphy teacher Akai-sensei! Things aren’t going quite as well for her step-brother and classmate Natsu. As the smartest kid in school, his teachers hope he’ll boost the school’s sagging reputation by getting into Japan’s top university—no pressure! And Natsu still hasn’t come to terms with the tragic events that took away the gentle smile that Kajitsu so loved. What happened to him in those years apart?