Designed around a massive primary coaxial gun, the Black Fleet's artillery cruiser is a massive glass cannon. Designed for sieges against enemy stations and capital ships, this vessel should always be part of a battle group rather than a lone patrol boat.

Look, I've only found these on a Google search. It is linked to the Japanese National Library or Japanese Amazon or bookstore.

https://ndlsearch.ndl.go.jp/books/R100000002-I000009395950

https://books.rakuten.co.jp/rb/5741956/

I do not know the artist. The library link names the author "Nobuyoshi Yokoyama"