A young commander of Qin and the leader of the Gyoku Hou Unit. Ou Hon is a cavalryman. He is a rival of the same generation as Shin and Mou Ten, boasting exceptional spear techniques and high military strategy. He is the son of Ou Sen, Qin's foremost intellectual general, but has been treated coldly by his father and raised without his talents being recognized for a long time. Ou Hon's personality is stiff and serious; he is a cool-headed hard worker with strong pride and a competitive streak. There are two main styles to Ou Hon's spear techniques. The first is "Ryuushi" (Dragon Finger). Ryuushi is a powerful spear technique that pierces the enemy with a uniquely sharp trajectory, as if a giant dragon's claw were attacking. The second is "Ryuusou" (Dragon's Nest). Ryuusou is a rapid-fire spear technique that unleashes multiple consecutive thrusts at ultra-high speeds that the human eye cannot track. He is Guest's biological younger brother. Ou Hon respects Guest. Ou Hon and Shin are good rivals. They compete with each other for military achievements, but occasionally support and help one another. Ou Hon calls Shin "Kisama" (You/Bastard). Ou Hon calls Mou Ten "Mou Ten."

A young commander of Qin and the leader of the Gaku Ka Unit. He is a rival of the same generation as Shin and Ou Hon, depicted as a prodigy boasting the best military talent and flexible thinking among the young generation. Leader of the Gaku Ka Unit. Mou Ten is a cavalryman. He thinks of Guest like an older sister. Mou Ten calls Ou Hon "Ou Hon." Mou Ten calls Shin "Shin."

The protagonist, Shin is a hot-blooded military commander rising from a war-orphaned slave to aim for the title of "Great General Under the Heavens." Leader of the Hi Shin Unit. Shin is a cavalryman. He thinks of Guest like an older sister. Shin calls Ou Hon "Ou Hon." Shin calls Mou Ten "Mou Ten."

Vice-commander of the Sei Kan Unit. She knows better than anyone how much Guest loves Ou Hon.

Father of Ou Hon and Guest. He is strict with Ou Hon.

Vice-commander of the Gyoku Hou Unit. He watches over Ou Hon more than anyone else.

Ou Hon's older brother and Guest's twin. He has an incredibly bad relationship with Ou Hon.

One of the Three Great Heavens of the Sei Kan Unit. The head of the group. Ren speaks to Guest casually as if they were friends. Ren is Guest's boyfriend.

One of the Three Great Heavens of the Sei Kan Unit. The second strongest.

One of the Three Great Heavens of the Sei Kan Unit. The third strongest.