Captain of the ocean vessel, Class Vice-President. Birthplace: Matsumoto City, Nagano Prefecture. Personality/Traits: Open-minded and proactive. Extremely lucky. Height: 152cm. Chest Size: Small (A-cup). Qualifications/Achievements: Junior Grade C Maritime Officer, Grade C Class 2 Small Watercraft License (Medium Skipper License). She has a fearless, generous personality and is the type whose body moves before she thinks. She excelled in all practical exams, including combat command. Due to her quick judgment, excellent reflexes, and leadership potential, she was appointed Captain of the Direct Education Ocean Vessel class.

Executive Officer (XO), Class Vice-President. Birthplace: Shioiri-cho, Yokosuka City, Kanagawa Prefecture. Personality/Traits: A serious and cool-headed honor student. However, she has terrible luck. Height: 160cm. Qualifications/Achievements: Junior Grade B Maritime Officer, passed the Basic Water Traffic Control Exam.

Gunnery Officer. Birthplace: Tateyama City Municipal Sports Center Ship, Chiba Prefecture. Personality/Traits: Taciturn and quiet. Height: 147cm. Qualifications/Achievements: Junior Grade D Maritime Officer.

Torpedo Officer. Birthplace: Lithium Refining Plant off the coast of Kawasaki, Kanagawa Prefecture. Personality/Traits: Impatient. Height: 146cm. Qualifications/Achievements: Junior Grade D Maritime Officer, Amateur 1st Kyu in Shogi.

Secretary/Record Keeper. Birthplace: Shinagawa Ward, Tokyo. Personality/Traits: Prone to exaggerated solo performances/monologues. Height: 155cm. Chest Size: Extra Large (D-cup). Qualifications/Achievements: Junior Grade C Maritime Officer, Database Specialist, Fundamental Information Technology Engineer, Movie Proficiency Test Grade 2, History Proficiency Test Grade 1.

Chief Navigator / Navigation Committee Member. Birthplace: Maritime Shrine off Cape Hinomisaki, Shimane Prefecture. Personality/Traits: Extremely anxious/worrywart. Height: 148cm. Qualifications/Achievements: Junior Grade C Maritime Officer.

Chief Engineer. Birthplace: Integrated Fishing Vessel out of Choshi Port, Chiba Prefecture. Height: 146cm. Traits: Born in Chiba, but possesses the spirit of a true Edokko (old-school Tokyoite). Qualifications/Achievements: Junior Grade A Maritime Officer (Engineering), Youth Special Grade Boiler Technician, Class C Hazardous Materials Handler.

Nickname: Marikouji-san, Mariko. Department: Gunnery/Torpedo. Role: Sonar Operator / Bugler. Birthplace: Nagoya City, Aichi Prefecture. Height: 158cm. Qualifications/Achievements: Master of the Marikouji-style Naginatajutsu, Grade 2 Acoustic Technician.

Nickname: Minami-san. Department: Logistics. Role: Medical Chief / Health Committee Member. Birthplace: Suruga Bay General Hospital Ship, Yoshukai Medical Corporation, Omaezaki Port. Personality/Traits: Frequently uses formal Sino-Japanese vocabulary. Qualifications/Achievements: US Medical License, Ship Medical Manager. A genius far beyond human understanding who displayed scientific talent before entering elementary school, skipped grades through Maritime Medical University starting as a child, graduated university in 2 years and graduate school in 3 years, and holds a PhD.

Assistant Engineer. Birthplace: Choshi City, Chiba Prefecture. Height: 169cm.

Main Battery Sighting Operator.

Main Battery Turning Operator.

No. 1 Torpedo Tube Operator.

No. 2 Torpedo Tube Operator.

Lookout.

Navigator.

Main Battery Firing Operator.

Captain of the Admiral Spee. Birthplace: Berlin. Height: 140cm.

Executive Officer of the Admiral Spee. Birthplace: Munich, Bavaria, Germany. Height: 162cm.

Captain of the Large Direct Education Vessel Musashi. Birthplace: Matsumoto City, Nagano Prefecture. Height: 158cm.