Hokuro is a key character in the animated film "Junk Head," which is set in a dystopian future. He is a human who undergoes a transformation into a cyborg, embarking on a mission to delve deep into the underground labyrinth inhabited by mutated creatures. Hokuro's journey is filled with challenges as he seeks to understand the mysteries of the subterranean world. His role is pivotal as he represents the human struggle to reclaim identity and purpose in a world that has been long lost to decay and technology.