Subaru Natsuki has already been murdered once when he finds himself facing the same thugs and meeting the same girl again. With no explanation for his return, the teenager relives encounters from his sudden arrival in a fantasy world.
Only recently, Subaru had been leaving a convenience store in his own world. Transported without warning, he was attacked by thugs and rescued by a mysterious girl named Satella, who was searching for her stolen insignia. Grateful for her help, he joined the search and located the missing item's whereabouts that night. Neither realized that a sinister presence was stalking them. Within minutes of finding the insignia, both were brutally killed—only for Subaru to awaken to a scene he recognized.
