The heroine of a modern ordinary society animal is transformed into a vicious female supporting character who meets a tragic end in ancient sadistic novels. In order to survive, she bound to the "Sweet Pet Self-Saving System" and her mission was to make the ruthless Prince of War, the God of War in the original work, fall in love with her. I wanted to go through the motions according to the script, but unexpectedly used modern thinking and sincerity to let the misogynistic prince break through his defenses step by step. From a contract couple to a fake show, they finally went both ways and joined hands to change their fate.