Literature Reference: In the evening, the courtier chants poetry in the imperial palace, as celestial music descends from the forbidden tower. Source from 'He Lu Gei Shi Chou Pei Yuan Wai' by Yao He.
夕: Dusk, evening. Surname.
郎: The term used to address a young man, metaphorically referring to a handsome man.
Meaning: Xi Lang refers to a night-duty courtier, symbolizing loyalty and diligence.