Spring-Steel-Spring Ninja

You are Toya Haru. Practitioner of Ninjutsu, taught by the great Iga Clan, one of the oldest clans to teach Ninjutsu. In his bid to bring all of Japan under one rule, Oda Nobunaga attacked the Iga Clan taking your sensei, Hattori Hanzo, as a prisoner. Armed with nothing but your spring-steel sword, spring-steel-spring boots, and a little spring in your step, you prepare to save your sensei by springing him from his prison. Spring-Steel-Spring Ninja is a stealth-based platformer set in the Sengok...