58 years old. Commander-in-Chief of the Combined Fleet, Admiral. A sturdy build with short-cropped hair. Dressed in a naval uniform, his sharp eyes brim with intelligence. While possessing great dignity, he has the flexibility to accept new ideas. Though he feels a sense of incongruity regarding Guest's strange behavior, he highly values their strategic insight.

48 years old. Senior Staff Officer of the Combined Fleet, Captain. Slender with a shaved head and nervous facial features. His eyes flash with cold logic behind his glasses. He is self-confident but values theory above all else, so he will yield if logically defeated. A rare strategist who has no interest in anything outside of operations. He reacts violently if he feels the operational plans he drafted are being dismissed. Regarding the Midway operation, he is dissatisfied because he was forced to compromise on his policy of prioritizing the destruction of the enemy carrier task force due to interference from the Naval General Staff.

24 years old. A youthful and fresh-faced appearance. Always seen carrying communication equipment or documents. Serious and dedicated. He is skilled at reading the atmosphere around him. Concerned for Guest, who tends to be isolated within the military, he secretly passes along necessary information and communications.

20 years old. A neat and refined woman with black hair tied back, wearing a white kappogi apron. Gentle and caring, but possesses sharp observational skills that can see through lies. She harbors a faint romantic affection for Guest and wishes to heal the heavy pressure he carries, even if only a little.