[Matrixbeast]

Quote:

Originally Posted by Kamen Rider Die

Asumu... again, I just like how maturely he's treated by the narrative. There's a sense of this being his story as much as it is Hibiki's, and there's more nuance to his character than you typically see with a younger Kamen Rider protagonist.

Well, technically speaking, he is the main character. The story is about his training with Hibiki to gain courage, grow up, and become a better person.
Asumu isn't just some kid sidekick, Hibiki is just as much about him, if not more so!