

With the daring setting of a 21st-century constitutional monarchy in the Republic of Korea, MBC’s new Wednesday-Thursday drama “21st-Century Lady of the Great Prince” finally meets viewers. Just the casting news that global superstar IU will star alongside rising actor Byeon Woo-seok has already put fans worldwide on high alert, making it one of the most anticipated works.
Scheduled to air for the first time at 9:40 p.m. on the 10th, “21st-Century Lady of the Great Prince” presents a fresh narrative in which the mindset of modern capitalism directly clashes with the conservative traditions of a royal household. The tangled, complicated relationship between the two leads is the key element that drives the story forward.
IU and Byeon Woo-seok: A Provocative Contract Marriage That Breaks Through Class Boundaries
In the drama, IU takes on the role of Seong Hee-ju (Seong Hye-ju), the second daughter of Castle Group, the No. 1 conglomerate in business circles. With looks, intelligence, and overwhelming management ability, she makes a daring transformation as the character who proposes a contract marriage to Prince Ian, the second son of the royal family, to eliminate her only weakness as a commoner. She has completely stepped out of the passive “rom-com heroine” template of the past.
Byeon Woo-seok plays Prince Ian Lee-wan, a tragic prince who receives widespread love from the public but whose life is tightly controlled. With an elegant exterior that hides deep wounds, he accepts Seong Hee-ju’s bold proposal and begins shaping his own fate. Byeon Woo-seok’s distinctive acting—careful yet firm—raises expectations that he will bring out the character’s depth and dimensions to the fullest.
A Tense Power Struggle Bolstered by Noh Sang-hyun and Gong Seung-yeon
The fierce political battles among the surrounding figures also add to the drama’s tension. Noh Sang-hyun portrays Min Jeong-woo, a prime minister wielding immense power, creating variables in the relationship between the two leads. Gong Seung-yeon takes on the role of Yoon I-rang, a key power player determined to protect the royal household’s dignity—someone with the qualifications of a perfect queen—setting up a tight, direct face-to-face opposition.
In a previously released teaser, the moment when Seong Hee-ju charges straight ahead toward Prince Ian, saying “Marry me,” triggered explosive reactions from viewers. The central story unfolds around how a relationship forged through strict business evolves into genuine love, and how they will overcome the royal household’s fierce resistance.
The Unique Catharsis of “21st-Century Constitutional Monarchy”
The production team said, “We fused a fantastical premise of a constitutional monarchy into modern society to create a romance in a whole new dimension,” adding, “Please look forward to the powerful on-screen chemistry that IU and Byeon Woo-seok will create, as well as the changes in the characters’ relationships that reflect a new era.”
All eyes are on what kind of chemistry will emerge when a chaebol family at the pinnacle of capitalism meets the royal household, a symbol of tradition. “21st-Century Lady of the Great Prince,” the biggest drama everyone is anticipating in the second half of this year, airs every Wednesday and Thursday at 9:40 p.m. on MBC.
