IU revealed a special support message she received from actor Byeon Woo-seok's fans. On the 28th, IU posted a photo on her SNS with the caption, "Thank you to Woo-seok's Fox Star." The photo showed a fruit basket and snack gifts sent by Byeon Woo-seok's fandom, 'Woo-seok's Fox Star,' to the drama filming site.

The gift included a card that read, "Actress Lee Ji-eun, we hope you are filled with good energy today like sweet fruit. We support you until the final stages of filming." This demonstrated how attentively Byeon Woo-seok's fans care for IU. In the photo, IU made a heart shape with her fingers to express her gratitude to the fans.

Fans also sent a coffee truck to the filming site to support Byeon Woo-seok and IU. The two will star together in MBC's new Friday-Saturday drama '21st Century Great Royal Wife,' scheduled to air in April next year. In the drama, IU plays the role of chaebol heiress Seong Hee-joo, a character who has wealth, ability, and beauty but dreams of rising in social status from a commoner. Byeon Woo-seok plays Lee An Daegun, the king's son who is sadly unable to have anything, and the two will portray a contract marriage romance.

IU and Byeon Woo-seok are scheduled to attend the '2025 MBC Drama Awards' together as presenters on the 30th. They plan to greet viewers in advance. Their drama and award ceremony appearances are drawing great attention from fans.