Where Youtuber JaeBum download an app because of his friend Jackson and get trapped in a group chat with his #1 fan Main ship : 2Jae Other ship : Markson, Yugbam

"Don't forget that you once hurt my feelings too" Jiyeon, Yugyeom, Jungkook and Yein What will happened to their friendship? Start : October 18,2016 End : October 1, 2017