Kamen Rider Hibiki is a Japanese tokusatsu superhero television series, serving as the fifteenth installment in the popular Kamen Rider Series of tokusatsu programs. It is a joint collaboration between Ishimori Productions and Toei. Kamen Rider Hibiki first aired on January 30, 2005 and aired its final episode on January 22, 2006. It aired as a part of TV Asahi's Super Hero Time along with Mahō Sentai Magiranger. It is the first series revolves around music, the natural world, and the balance between light and darkness. The series stands out for its focus on traditional Japanese aesthetics, as well as its more spiritual and introspective themes. The story follows Hibiki, a seasoned Kamen Rider, and his apprentice Asumu, as they battle the Makamou, monsters born from negative human emotions, and confront the personal and philosophical struggles of their role as protectors.