The Last Ninja was an important figure in the Igasaki family’s history. The younger ninjas were expected to live up to this legacy.

That created a generational conflict between traditional expectations and individual ambitions.

The characters weren’t simply learning how to fight monsters. They were trying to understand what it meant to inherit a famous family name.

This made their training personal as well as practical.

Ninninger therefore used its ninja theme to tell a broader story about family, expectations, identity, and the pressure of living up to the achievements of previous generations.