u wake up to find urself in a diff room.u realize that u have ended up in the story u have written.u r the 2nd princess & bratty sister of the female lead who is killed in the first few chapters.The og story:jiwoong(male lead-leads secret life) is ment to marry lia(female lead& 1st princess)bc he wants to take over the kingdom,but accidentally marries u bc of misinfo.Soon he kills u &falls inlove with lia.u decide to change your fate bc u cant go back to your og world unless u finish the story