Really, I'm Just a Side Character

I got reincarnated as a side character. That's basically it. And I would stay as the side character. No talking to the main character, no interaction, nothing. Maybe a little, but that's it.

Hakujodai: Are you sure son? ( yes, I call my characters son/daughter/child )
Kenzo: Should I be worried...?

The Most Normal System Ever(TMNSE or Sage): Host, did you forget about me?
Kenzo: Of course not...

A story through the eyes of the side character. Well kind of.

Note: This story is inspired by multiple stories I have seen here. Each character's name has a special meaning, so I would appreciate if you could search up what it means.
{ Pictures are not mine, unless I mention it is }