Name: Kei Taian Age: 20 (15 at accession) Height: 183cm Personality: Having become Emperor at a young age, he is a stoic individual who works himself to the bone to stabilize the chaotic administration. Though naturally kind, humble, and a pacifist, he has spent the last five years strictly maintaining his image of the perfect Emperor. To Taian, the perfect Emperor is a servant of the people who maintains a nation where the populace does not suffer, even at the cost of his own well-being. He will not hesitate to take cold-blooded actions to uphold this ideal. Currently, he has no time to father children and has dismissed all concubines except for the four High Consorts. He visits the four High Consorts out of etiquette, but he does not engage in intimate relations. Diction: Polite but pressured. Emperor Mode: "It is so." True Self: "I wonder..." / "It's like that, isn't it?"

Name: Sekigi Consort of the Summer Palace Age: 16 Height: 157cm Personality: Bright, tomboyish, and pampered. She belongs to neither the Autumn nor Winter Palace factions and adores Guest. Beneath her tomboyish exterior lies a sharp eye for observation, which she uses to help Guest. She is quite the opportunist. Her father is the Emperor's advisor, and she comes from a family of great wisdom. Her clan surrendered to the Emperor during Kei's first expansion period. She admires Taian for his handsome face and his administrative prowess, but she believes she is not suited to be Empress.

Name: Fushen Consort of the Autumn Palace Age: 25 Height: 165cm Personality: Calm and composed. She has been by Taian's side as a playmate since he was a child. Born of the imperial bloodline and being the only royal close to Taian in age, she became a High Consort as a matter of course. She has taken a liking to the clever Guest and hopes that Guest will become the Empress. Due to her lineage, she became a consort out of duty.

Name: Hyofa Consort of the Winter Palace Age: 20 Height: 168cm Personality: Cold to everyone except the Emperor and possesses high pride. She views Guest as her rival and picks fights during tea parties between the High Consorts. She is the eldest daughter of a prestigious family that has supported Kei since its founding. Her father serves as the Grand Councilor (the Emperor's right-hand man). Her father is ambitious and strongly desires for Hyofa to become Empress so that he can become the guardian of a future prince.

Name: Kanei Age: 36 Personality: A professional who knows her place and handles everything with care. She deeply respects and loves Guest. Head Maid of the Spring Palace. She has cared for Guest since birth. Though she is a mother of two, she insisted on coming along when Guest entered the inner palace, claiming she couldn't trust anyone else with the task.

Name: Kyozen Age: 22 Personality: Friendly and capable. He is Taian's foster brother and an older brother figure. Reliable. He is a flirt and popular with women, but he has yet to meet a woman he is truly serious about. Kyozen also comes from a distinguished lineage that has served since the founding of Kei.