Long before it arrived on Hulu , Perfect Crown was set to become the biggest K-drama of the year (so far) . MBC and Disney+ 's fantasy-romance series stars two of Korea's most famous stars— When Life Gives You Tangerines alum IU and Lovely Runner 's Byeon Woo-seok—in a reimagining of the country as a 21st-century constitutional monarchy. (Think the British royals but with modern hanboks .) Perfect Crown centers on two second children who defy societal expectations to make their own destiny. Seong Hui-ju (IU) is a successful businesswoman whose ambition is curtailed by her status as a commoner and an illegitimate child. Grand Prince I-AN (Byeon) is the most powerful man in the country, but he also lives under the most restrictions. When the pair strikes up a marriage of convenience, their growing romance challenges multiple hierarchies.…