Esther 2:3

2:3 And let the king appoint officers throughout all the provinces of his kingdom to gather all the attractive young women to Susa the citadel, to the harem under the authority of Hegai, the king’s eunuch who oversees the women, and let him provide whatever cosmetics they desire.

Esther 2:9

2:9 This young woman pleased him, and she found favor with him. He quickly provided her with her cosmetics and her rations; he also provided her with the seven specially chosen young women who were from the palace. He then transferred her and her young women to the best quarters in the harem.

Esther 2:14

2:14 In the evening she went, and in the morning she returned to a separate part of the harem, to the authority of Shaashgaz the king’s eunuch who was overseeing the concubines. She would not go back to the king unless the king was pleased with her and she was requested by name.