Lee Mujin Service Season 1 Episode 56 April Fools' Day Special with BTS's Jimin ( Air Date 2023-03-28 ) Genre Talk category. Overview ""Lee Mujin Service" is a high-quality live content in which MZ generation's representative singer-songwriter Lee Mu-jin, along with other artists, provides the best music service that catches the eyes and ears of music fans around the world.".