On Christmas Eve night, a female college student named Meiko plans to spend a quiet evening alone on an island. When she wakes up, she finds a corpse lying in front of her. From that moment, she is thrust into a series of grueling trials. Meiko must find a way to survive in this twisted world to reunite with her parents, from whom she parted under unfortunate circumstances. The series explores themes of gore and survival as she faces these unknown challenges.