Nae Ballyeodongmuri Akdangi Doeeosseul Ttae
내 반려동물이 악당이 되었을 때
A character is reborn after their soul was taken by the villain in a novel. For eighteen years, they endured abuse as a s*ave in their family. Before being sold to the villain as originally written, they managed to escape and found brief happiness with a stray dog named Momo in a village. However, after three months, Momo vanished. The character is recaptured and given to the villain. On the verge of death, they are surprised to hear Momo speak, who reveals they have become the villain and are their fated counterpart.