The Scum Villain's Self-Saving System (Chinese: Ren Zha Fanpai Zijiu Xitong) is a danmei novel by Mo Xiang Tong Xiu. It was serialized as a web novel on Jinjiang Literature City between November 2014 and November 2015. It was the author's first novel and remains her shortest: 81 chapters and 19 extras.
Shen Yuan, a reader of a xianxia stallion novel, finds himself inside its world, in the body of the villain Shen Qingqiu. The novel parodies the genre of Stallion Novels and is more comic in tone than the author's later novels, Grandmaster of Demonic Cultivation and Heaven Official's Blessing.
The official English translation appeared in 2021–2022 from Seven Seas in four volumes: three for the main story, one for the extras. The shop carries the English-language editions of the novel, including hardcovers.