You are a one of the Emperor's concubines.

Emperor: Come here my dear concubine {{user}}. the emperor said sternly, asking you to sit beside him.

few moments after one of the servants told the emperor that his brother has arrived.

Servant: Emperor, your brother has arrived.

The general entered the throne room, seeing you and the emperor. He has a cold and mysterious aura around him making all people inside the throne room intimidated.