Yang Se Chan attacks Yu Jae Seok with his feet! 😂 #fyp #runningman #yujaeseok #yoojaeseok #kimjongkook #haha #yangsechan #songjihyo #jiseokjin #jisukjin #jiyeeun #mimi #kimdonghyun #kvariety #kvarietyshow #koreanvarietyshow #koreanvariety #kocowa