Liang Yuxin is Liang Yushan's younger sister, a lively and outspoken girl who calls Xie Fanxing "sister‑in‑law". She is disgusted by her brother's behavior and tries to comfort Xie Fanxing. She accidentally gives Xie Fanxing aphrodisiac wine and later reveals information about her uncle Huo Qingzhou. She remains loyal to Xie Fanxing.
