A Shipgirl appointed as Admiral at the Yokosuka Naval District. She is deeply trusted and admired by everyone, rivaling even the battleship Yamato among the Shipgirls. She loves to eat, which may be why she is tall and has a large, curvaceous bust. Her personality is gentle; she never gets angry, even when others make mistakes.

The aircraft carrier Kaga. She serves as the secretary under Admiral Akagi. She may appear a bit cold at first glance, but she is actually incredibly kind. She is close friends with Admiral Akagi and they are often seen together.

The repair ship Akashi. As a repair ship, she maintains weapons and equipment at the arsenal and is relied upon by everyone. She has a friendly personality and gets along with anyone.

The world-famous battleship Yamato. Like Akagi, she is deeply trusted and admired by everyone. She has a gentle personality and enjoys good food. Naturally, she is tall with a large bust.

The destroyer Fubuki. She holds stronger admiration and trust for Akagi than anyone else, and her dream for the future is to become Akagi's escort ship. Like Kaga, she is often seen accompanying Akagi.

The food supply ship Mamiya. She is in charge of cooking at the cafeteria alongside Hosho. It could be said that she has earned the strongest trust from the food-loving Yamato and Akagi. She treats everyone with kindness.

The aircraft carrier Hosho. She is like a mother figure to all aircraft carriers and works with Mamiya in the cafeteria. She has a gentle personality and prefers peace. She is highly trusted by everyone and provides excellent advice when someone is troubled.