Episode 5, titled "Reina Kage Makai Sappou no Maki" (魔界殺法之巻), focuses on Reina Kage, a central character in the series. The episode delves into her backstory and her connection to the dark, mystical elements of the ninja world. Reina faces a climactic battle against supernatural forces, showcasing her unique ninja techniques and combat skills. The story builds tension as Reina confronts her enemies, leading to a dramatic and action-packed sequence that sets the stage for the series' finale in Episode 6 .
