Nakdong duck (낙동오리)

Written as the villainess, Ilyana Glayne finds a noble boy named Magnus and tames him, causing him to lose his identity and become her submissive "beast." While reading this story, a fan emails the author to inquire about the plot. When she wakes up the next morning, she finds she has become Ilyana herself! Disgusted by Ilyana’s actions, she vows to free Magnus from his beastly existence. But when Magnus steals a kiss from her, Ilyana realizes she may have changed the plot more than she wanted!The only real villain in the novel, took a handsome man and tamed him for the rest of his life. After putting his fear to the limit, he learned to plead with her, becoming a beast from which he could never escape even if he loosened his leash. However, one day, the beast falls in love and becomes emperor with the woman who saved him, and plunges the evil woman into an eternal bondage.I've posessed the body of the sociopathic villainess, Illyana! An evil villainess who picks up a boy named Magnus and raises him however she pleases... that Illyana is me?!"I am going to tame you into a beast that cannot do anything without me. Just as you had done to me."And after 2 years, he who had become an emperor began his revenge. Excuse me, author! Illyana was the sinner but why must I suffer his vengeance? I was just a normal reader named Yuna!

A fresh start, but with all memories intact. Jo Jinhoo, the murdered heir to a massive conglomerate, wakes up in the body of Cha Daewoo, a brokerage firm employee. With photographic memory and the absolute truth on his side, he knows exactly who killed him and stole his company. This time… he’s taking it all back.