The introduction to "A House Full of Villains Cannon Fodder Follows His Junior Sister" tells that Li Yang travels through the fantasy world of the book, and at the beginning she encounters the male protagonist and the villain of the original book trying to steal her. After learning that he could use it to block knives and pots, after failing to escape, he met two male protagonists who forced him to sign a contract. Instead, he signed both of them as his own by a strange combination of circumstances. After getting rid of the two of them, she accidentally bumped into Yufeng Sect.
