In which. . . Jeon Kaya and Na Baek-jin were promised to each other before they even knew what love meant - and have spent every year since pretending they don't care. or in which. . . Na Baek-jin act like he don't care about Kaya but can't sleep properly without knowing she's safe. ( na baekjin x fem!oc ) weak hero class one ft. reymisterious