Guan Qing is a character mentioned only in passing when Peng Zixu teases Zhou Songyan about his distracted state. The name is brought up as a possible reason for Zhou’s mood, suggesting she is a woman from his past, perhaps an old flame or a “white moonlight.” She does not appear directly in the provided text, and her exact relationship with Zhou Songyan remains ambiguous. Her mention adds a layer of mystery to Zhou’s romantic history, implying that he has not been able to move on completely. She is a background figure whose influence is felt only through others’ words.
