Minor characters in Tokyo Revengers play a vital role in shaping the narrative by adding depth to the story, providing character development opportunities for the main characters, and influencing the overall plot progression. They often serve as foils or mirrors to the main characters, highlighting different aspects of their personalities or motivations. Additionally, minor characters can introduce new conflicts, challenges, or perspectives that drive the story forward and contribute to the overall themes of the series. Overall, the presence of minor characters in Tokyo Revengers enriches the storytelling and helps create a more immersive and dynamic narrative.