Lee Si-young completed the mission by showing off 'I Musici of the team leader'.
On SBS Running Man' broadcast on the 16th, Lee Si-young appeared as a guest and challenged to milk with Lee Kwang-soo and Haha.
All that leads the team to soothe sensitive sheep and milk is Lee Si-young's job; Lee Si-young has accomplished his mission by succeeding in milking 4L with skillful skill.
Haha praised Lee Si-young's leadership, saying, "Our team leader is really great."
After completing the mission, Lee Si-young, Lee Kwang-soo, and Haha laughed by thanking the 'stars' for providing milk.
About Running Man
Running Man is a South Korean variety show, formerly part of SBS' Good Sunday lineup. It was first aired on July 11, 2010.
Running Man was originally classified as an "urban action variety"; a genre of variety shows in an urban environment.
 Wikipedia