Otto, the One Who Believes in Hope

For Those Who Know, the Protagonist Can Transform into Ultraman and Travel Through the Comics.

Is There a Fantasy Book About Bentie and Ultraman? (Manual Funny)

Is There Any Book About Ultraman in Bengtie?

It's in the Iron Breaking World in the Ultraman series. So far I've only seen a Grimd

Looking for Beng Tie + Ultraman Books

I would like to read a book similar to "Star Railroad: The Radiant Universe". I added the books randomly, and the system may or may not have them.