Get ready, K-Drama fans! The ultimate visual duo is finally coming to our screens. MBC just dropped the main poster for the highly anticipated drama, "21st Century Grand Duchess, " and it looks straight out of a fairy tale.- Starring: IU (as Seong Hee-joo) & Byeon Woo-seok (as Grand Prince Lee An)- The Setting: An alternate universe where modern-day South Korea is still a constitutional monarc..