Pseudonym of the author of KR4k0273 Yǐn Fēng Xiāo 引風簫. The pen name means “A friend who is half-hidden in the clouds above the Maple River” — fēngjiāng 楓江 (maple-tree river) evokes Jiangnan, possibly Suzhou or the Hangzhou area; bànyún 半雲 (half-cloud) implies a hermit or reclusive literatus. No further biographical information is recorded. The name does not appear in CBDB or standard biographical dictionaries of Qing authors.