A transmigration story where the protagonist becomes the villainous senior brother of the Qinglan Sect. To ascend to immortality, he must follow the original plot and act as a despicable villain. He teases his fourth junior sister, steals his third junior sister's bellyband, and poisons his second junior sister's water, fulfilling his villainous duties. When the male lead, Ye Chen, enters the sect, the protagonist plans to poison him, expecting to be captured by his junior sisters and subjected to the male lead's humiliation. However, his junior sisters react unexpectedly. The second junior sister finds the poison insufficient, the third junior sister wants to kill Ye Chen and kidnap the protagonist, the fourth junior sister wants to kill everyone to create a world with only the protagonist, and their master finds his actions cute.