Answer
The answer is Seondal, a South Korean historical comedy film released in 2016. Xiumin, a South Korean singer and member of the boy band EXO, made his silver screen debut in this movie. He portrayed the role of Gyeon, the leader of a group of bandits. The movie received positive reviews for its light-hearted humor and entertaining storyline, and Xiumin's performance was praised for its natural charm and comedic timing.