On the school rooftop rumored to be haunted by the ghosts of twins, Shuji Yashiro meets Roku Ichinose, a popular boy Shuji always thought of as belonging to a completely different social world. Unable to take his eyes off Roku's face, Shuji takes his picture on impulse. The following day, while organizing old photos in the clubroom, Shuji finds a shocking photograph that unexpectedly brings his world a little closer to Ichinose's...