"Youth MT" is a new TVING variety show featuring a reunion of the cast members from "Love in the Moonlight," "Itaewon Class," and "The Sound of Magic." The casts of the three dramas directed by PD Kim Sung Yoon will come together for a refreshing retreat. "MT" stands for "member training" and refers to going on a retreat where people get together, play games, and take time to bond with one another.