Satsuki Miyuki is a new student at Saotome Academy. It has been 12 years since she has last seen her sister, Nanami Haruka, and she is scared to meet her for if she does Nanami might not be the person she dreamed about. On her first day she meets a boy named Kurusu Syo who helps Miyuki fight her fears. What if Nanami isn't who Miyuki thought she was? What are her feelings for Syo?