Chaotic Harem: Becoming an Eternal Empress

Ye Chen, an ordinary social beast, woke up and traveled through time to become a fake eunuch. After bumping into the empress taking a bath in the emperor's palace, in order to save her life and help the empress consolidate her throne, she got involved in a dispute between the court and the harem. The empress actually asked him to congratulate the queen and other concubines on her behalf. How should Ye Chen choose?