Bursting onto the screen with the bold line "Marry me," Seong Hee-ju makes a jaw-dropping entrance that’s already winning over viewers — a standout moment in the second teaser for IU’s Disney+ original drama '21st-Century Grand Princess Consort'.
The clip was uploaded on March 19, 2026, to the Disney Plus Korea YouTube channel and spotlights IU’s captivating transformation into Seong Hee-ju.
In the teaser, Seong Hee-ju declares she’s "got it all planned" and turns on the charm with straightforward, heart-fluttering flirting — instantly sparking buzz among fans who are saying, "The dialogue is so snappy."
Notably, Seong Hee-ju pushes beyond the lovable characters IU has played before, leaving a stronger, bolder impression. Fans are excitedly reacting with, "Our Man-wol has been reborn as Seong Hee-ju."
'21st-Century Grand Princess Consort' premieres April 10 on Disney+, with the chemistry between IU and Byun Woo-seok singled out as a key draw. According to reports, the series boasts a hefty production budget, promising lavish, cinematic visuals.