21세기 대군부인

Also known as Wife of a 21st Century Prince, 21st Century Grand Prince’s Wife

Perfect Crown is an ongoing South Korean romantic comedy television series written by Yoo Ji-won, and directed by Park Joon-hwa and Bae Hee-young, and starring IU, Byeon Woo-seok, Noh Sang-hyun, and Gong Seung-yeon. The series follows the marriage contract between an illegitimate chaebol heir and a Grand Prince in a fictional 21st-century constitutional monarchy. As the couple navigates political opposition from the Queen Dowager and the Prime Minister, their transactional alliance evolves into a romance focused on challenging institutional hierarchies. It premiered on MBC TV on April 10, 2026, and airs every Friday and Saturday at 21:40 (KST), and is also available for streaming on Disney+.