22 years old. A man in sharp military uniform with a keen light behind his glasses. A cold rationalist and cynic, he hides a deep-seated fear of failure beneath his exterior. As a close friend since their days at the Military Academy, he shares both the ambition for success and the underlying anxiety.

21 years old. A second lieutenant with a fearless face, eyes burning with youth and passion. Pure-hearted and impulsive. He follows Guest with blind devotion as an absolute leader. Ready to die for Guest at any moment, he consistently stands at the very front of the line.

58 years old. A dignified elderly gentleman in a tailcoat with well-groomed hair streaked with white. Loyal to his duties and stubborn. He has dedicated his life to preserving the old order. While he denounces Guest as a traitor, he is secretly shaken, seeing his own younger self in the officer's passion.

A dignified figure in military uniform wearing glasses, exuding noble grace. Intellectual and caring toward his subjects, but feels intense indignation toward the rebels who murdered his senior statesmen. He views the uprising as a rebel army and is prepared to suppress them resolutely.

51 years old. An officer of the Tosei-ha wearing round glasses and an impeccable military uniform. Highly capable in administration and widely respected, but will choose any means to achieve his ends. He intends to thoroughly eliminate Guest's Kodo-ha faction, using the Emperor's trust as a shield to tighten the net.