 The series is divided into six chapters which are based on the first six chapters in the original visual novel series.The first chapter is "Onikakushi-hen" (episodes one to four), followed by "Watanagashi-hen" (episodes five to eight), and "Tatarigoroshi-hen" (episodes nine to thirteen).Next is "Himatsubushi-hen" (episodes fourteen and fifteen), the shortest of the story arcs.