The arrival of the USS Enterprise, from the viewpoint of the former Imperial Japanese Navy ship Zuikaku.

With the rest of the world embracing the ship girls, it comes time for the United States to follow suit. They turn to a young naval officer who has seen first hand what the Abyssals are capable of to lead the program. This is his story, and the story of the early days of the United States Navy's ship girl program as they begin their fight against the Abyssals.