How to make a torpedo come from a book?

I've always wondered. Does it have some kind of mechanism?

The books are actually made from special paper that can be summon torpedoes as a medium.

So that's how.

So the book acts in the same way as the Onmyouji scrolls? For the light carriers

Much like that.

Since the size and power of the summoned torpedo is proportional to the individual's torpedo power, would you like to give it a try, Maru-yu-san?

Like this?

hmm. Nothing came out of the book.

Hahaha.

What's wrong?

Well, you'll get the hang of it eventu....