"Irrational Progress" is a Korean KBS TV station that aired on October 5, 2015. It is directed by Lee Eun-jin, written by Yoon Soo-jung, and starred by Jung Eun-ji, Lee Won-geun, Chae Soo-bin, and Kim Ji-soo. The play mainly tells a youth story about the friendship and love of high school cheerleaders, and emphasizes the story of education and culture by describing what happened during the integration of a high school cheerleading team.