【fakes】Fabricated Fleet 03/unlimited

[Fabricated ship manga] available on pixiv (id=195984) and other sites.
This is the third volume of the series, which is a compilation of the two short stories plus new drawings.
or
29/12/2017 Comic Market 93: DL version of the new book

A Ring and a Document Revealed at Sea
The new equipment, which is said to raise the performance limit, is not being mass produced.
The fleet is buzzing with excitement that the final prototype is now in the hands of the Admiralty.

Who will the Admiral choose?
What happened to the original ring?
The story behind the cuckoldry

・1195*1687px
-88 pages of text, 92 pages including cover