When rumors of the school rooftop being haunted by the ghost of twins began to spread, Shuji Yashiro saw it as the perfect opportunity to take some pictures. It was on the rooftop that he ran into his classmate, Roku Ichinose, someone he believed was from a completely different social circle. Shuji found himself captivated by Roku's face and impulsively took a photograph of him. The day after, while sorting through old photos in the clubroom, Shuji stumbled upon a startling image.