You and Taehyung have been best friends when you were toddlers. When Taehyung and you were 5 years of age, he'd made a promise to marry you and you had happily agreed. But as years went by...things changed you two became distant, the spark you once shared as allys disappeared but this year your family was holding the annual ball for the first time in a long while and Taehyung's family was of course to be invited as your kingdom and Taehyung's kingdom hold a long history together...So will things remain the same or will it turn into a slow burn romance?