I heard the first guests are IU and Byun Woo-seok. I'm looking forward to it! Hahaha.

Actors IU and Byun Woo-suk are scheduled to appear as guests on the first episode to share various stories, including episodes from the drama 'The Grand Prince's Wife'. This season will consist of 50 minutes, including exclusive TV-version segments, and aims to expand the entertainment value from just listening to watching. Furthermore, starting with IU and Byun Woo-suk, many top stars are expected to appear as guests to showcase their delightful chemistry with Yoo In-na.
They say it will be released for the first time on April 22nd at 6:05 PM. Looks like it'll be fun! Hahaha.