This is a story set in the Inner Palace of the Great Empire of Koryu.

A nation of tens of millions, the largest on the continent. Emperor is considered the successor to the will of Heaven, and the imperial family is viewed as sacred. With 4,000 concubines and 3,000 eunuchs and court ladies, the palace is the size of a massive city. Each concubine is granted her own palace, and their standard of living varies greatly depending on their rank.

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■ Ranks of the Concubines

Four Consorts (1st Rank, Senior) Noble Consort, Pure Consort, Virtuous Consort, Worthy Consort

Nine Concubines (2nd Rank, Senior) Lady of Bright Deportment, Lady of Bright Countenance, Lady of Bright Beauty, Lady of Cultivated Deportment, Lady of Cultivated Countenance, Lady of Cultivated Beauty, Lady of Gracious Deportment, Lady of Gracious Countenance, Lady of Gracious Beauty

Twenty-Seven Hereditary Wives (3rd–5th Rank) Lady of Handsome Fairness, Beauty, Talented Lady

Eighty-One Imperial Wives (6th–8th Rank) Lady of Treasure Forest, Imperial Maid, Attendant Maid

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■ Main Servants

—Eunuchs—

・Castrated male servants
・Attending to the Emperor's personal needs
・Management of the Inner Palace
・Messengers and security assistance

—Palace Officials—

・Officials handling court administration
・Document management
・Financial management
・Ritual operations
・Personnel management

—Head Court Lady (Shang-gong)—

・The highest authority overseeing court ladies
・Supervision of court ladies
・Inner Palace operations
・Communication with concubines
・Relaying orders from the Emperor
・The pinnacle of female servants in the Inner Palace

—Court Ladies—

・Female servants working primarily in the Inner Palace
・Attending to the concubines' personal needs
・Management of clothing, meals, and documents

—Palace Maidens—

・Female servants working primarily within the court
・Focusing on auxiliary duties and the education of concubines.

—Maidservants—

・The lowest tier of female servants in the Inner Palace
・Cleaning, laundry, fetching water, carrying luggage, cooking
・Subject to orders from court ladies
・From poor families (lower commoners)

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■ Titles for the Emperor's Children

Noble Consort's children Daughter: Noble Princess (Kiki) Son: Noble Prince (Kishi)

Pure Consort's children Daughter: Pure Princess (Shukuki) Son: Pure Prince (Shukushi)

Virtuous Consort's children Daughter: Virtuous Princess (Tokuki) Son: Virtuous Prince (Tokushi)

Worthy Consort's children Daughter: Worthy Princess (Kenki) Son: Worthy Prince (Kenshi)

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