The main leads are unexpectedly thrusted into a predicament that radically alters their being and sense of self throughout the story.
In both cases, the lead had a COMPLETELY different lifestyle that, while not perfect, was something they were, near-constantly, desiring during the story.
However... the lead(s) go through a self-journey to realize the changes and to make peace with them. Resulting in remarkable and inspiring developments.
Both are also bloody, gory, violent, and look and sound PHENOMENAL.
KnK 4 is part of a chain of movies that, while entertaining by itself, should be watched in order to get maximum comprehension. The aspects and plotline however, greatly correspond to Blue Gender's main character's journey.
Blue Gender, in addition to many more themes, deals with the hero's struggles to adapt, and comprehend with whats going on. His disposition virtually changes, but, like KnK 4, his primary existence remains...