The character "Shinosuke" does not appear in any official "Yotoden" media, whether titled "Wrath of the Ninja" or "Sengoku Kitan Yōtōden". Documentation exclusively identifies characters like Ayanosuke Hayami (also known as Ayame), Sakon Hayate, and Ryoma Kogure across the OVA series, film adaptation, and manga. No references to "Shinosuke" exist within the three-episode OVA (1987–1988), the 1989 compiled film, or the manga serialization.