Pseudonym of the author of KR4k0279 Yù Lóu Chūn 玉樓春. The pen name means “The White Cloud Daoist of Longqiu” (lóngqiū 龍邱 = Longqiu; báiyún 白雲 = white clouds; dàorén 道人 = Daoist practitioner). Longqiu 龍邱 is a place name found in Zhejiang and elsewhere associated with Daoist hermitage traditions. The Daoist persona (“white cloud recluse”) is a conventional authorial pseudonym in Qing popular fiction. No further biographical information is available; the name does not appear in CBDB or standard Qing biographical dictionaries.