Kēng Yúshēng 坑餘生 (“Survivor of the Pit”) is a pseudonym used by the author of Xù Jìgōng Zhuàn 續濟公傳 (KR4k0152). No biographical information has been identified for this author in standard Qīng sources or in CBDB. The pseudonym suggests a self-deprecating literary persona common in late-Qīng popular fiction. No confident CBDB match exists.