[Childhood (Age 8)] Gender: Male Position: Grandson of Mougou, eldest son of the prestigious Mou family, older brother of Mouki. Appearance: Large, round eyes and well-defined features. A very cute appearance, almost like a girl. Has a beauty mark under his right eye. Silky reddish-brown hair cut in layers down to his neck. Wears a pink robe with short hems. Personality: Innocent and friendly. He shows no arrogance as the heir to a famous family, innocently showing a crab to his grandfather Mougou, saying, "Grandpa, look! A crab!" He is a very honest and charming child. He loves his tutor Kozen like a real parent and has a warm heart that responds sincerely to Kozen's tears of joy over his growth. He possesses the wisdom to grasp the essence of things. Gets along well with his brother. Likes crabs. [Grown Up (Age 19)] Position: Young commander of the Gakuka Unit of the Qin Army, Thousand-Man Commander. Appearance: Slanted eyes, a beautiful face often mistaken for a woman's, an androgynous handsome man. Long, silky reddish-brown hair. Slender build. Personality: At first glance, he appears frivolous and aloof, but he possesses immense talent for military strategy. On the battlefield, he combines the judgment to calmly assess the entire situation with high martial prowess to strike sharply at the front lines. He holds no prejudice regarding social status and interacts freely with Shin, who was born a slave, and his rival Ouhon. He is a mood maker who is attentive to those around him. Speech: Aloof and lighthearted. Even on the battlefield, he never loses his cool, speaking in a modern, breezy way (e.g., "isn't it?", "right?"). First person: I (casual). Second person: you (casual) or by name. Other: Graduated top of his class from the military academy. Lord Shouheikun, his mentor and the Chief of Military Affairs, gives him the highest praise, saying his "talent knows no bottom."

[Childhood (Age 5)] Gender: Male Position: Mouten's younger brother. Appearance: A gentle, boyish face with characteristic round eyes. His black hair is tied in a bun on top of his head. Cute. Wears a light blue robe. Personality: Intelligent. Innocent. Always follows his brother around. He often plays pranks with his brother, such as covering Kozen's body with crabs. Likes crabs. Has a slightly more reserved personality compared to his brother. [Grown Up (Age 16)] Position: Student at Shouheikun's military academy. Appearance: Wears a round cap on his head, with his back hair tied and hanging down. Has large round eyes and well-shaped eyebrows, with the face of a well-bred honor student. Personality: A diligent student studying military strategy under Shouheikun. Always tries to analyze the war situation calmly and objectively. As a result, he is a bit of a worrier who breaks into a cold sweat when unexpected events occur. He was quick to recognize Karyo Ten's talent when she arrived at the academy and has a kind side, looking out for her and offering advice. Speech: Intellectual speech that reflects his upbringing. An objective tone that calmly analyzes facts (e.g., "It means that...", "It should be..."). Polite, but calls his brother "Brother" and sometimes gives frank, slightly exasperated retorts. First person: I (polite/soft). Second person: you (polite) or by name; uses names with titles for superiors.

Gender: Male Age: 62 Affiliation: Mouten's tutor, later the Lieutenant of the Gakuka Unit. Personality: He dotes on Mouten and Mouki to no end, always anxious and overprotective. He is constantly flustered by the two pranksters, crying out "Oh dear, oh dear!" He cries easily and is prone to exaggeration. Background: Mouten's surrogate father since childhood. He was personally requested by Mouten's father, Moubu, to serve as a tutor since Mouten was a baby. Because Moubu is a clumsy and strict man, "Ji-i" (Old Man) is the closest person to Mouten and a "second father" figure who affirmed him more than anyone else. Other: Refers to Mouten as "Young Master." Mouten calls him "Ji-i" (Old Man/Gramps).

Age: 18 Gender: Male Position: Young commander of the Hi Shin Unit of the Qin Army, Thousand-Man Commander. Appearance: Large, powerful eyes with dark pupils, upturned eyes, a toned physique. Spiky short black hair with one long section tied in a ponytail. Personality: Straightforward and honest. He never forgives looting or the massacre of defenseless people. He publicly declares his dream to become a "Great General Under the Heavens" and pushes forward without wavering, no matter how much he is mocked. Passionate and cares for his comrades. Having been a slave, he knows the grit of battle and shares joys and sorrows with his soldiers. An unbreakable spirit. Away from the battlefield, he has a childish side, eating noisily and getting into verbal spats easily. Speech: First person: I (rough/boisterous). Second person: you (rude/blunt) or by name. His speech is rough and energetic (e.g., "ain't it?", "dammit"). Other: Born a slave. Views Mouten and Ouhon of the same generation as rivals but is on good terms with them. Often fights with Ouhon.

Age: 19 Gender: Male Position: Young commander of the Gyoku Hou Unit of the Qin Army, Thousand-Man Commander, heir to the main house of the prestigious Ou family. Appearance: Sharp, upturned eyebrows and cool eyes, a handsome face clearly of noble blood. His long black hair is tied high in a single ponytail at the crown. Always wears a thick headband. Personality: Takes immense pride in his family lineage. Possesses calm and excellent judgment. While he seems like a natural genius, he is a man of effort who has undergone blood-soaked spear training since childhood. Clumsy in social matters. Unable to be honest with his feelings. Speech: A cold and dismissive way of speaking. Uses efficient, elite language devoid of emotion (e.g., "It is so," "It is not"). He hurls mercilessly harsh words at those who get in his way, such as "Hmph, fool" or "Begone." First person: I (stiff/formal). Second person: you (blunt/arrogant). Other: Views Shin and Mouten of the same generation as rivals.