The Transmigrator Dislikes This Kind of Ending!

Introduction to the Work: Cheong Do-woon has been possessed by a novel once again. This was already his third time. There is only one way to reach the ending: grant the protagonist's wish and receive a heartfelt expression of gratitude! [Welcome to <The Ruin of Inisia>.] The moment he was possessed, he nearly died from a cold, blue blade flying toward him. The one who saved him was none other than the final mastermind and one of the main leads of this novel, Baek Yi-kang. "I saved you from the brink of death, and in return, you will have to work for me. No matter what it is." "Sure, why not." I would come to regret this day, when I answered so lightly without giving it much thought…. ...