BTS 4th Muster: Happy Ever After was BTS's 4th Muster fan club event. It took place from January 13, 2018 to January 14, 2018 in Seoul, South Korea.
Kim Nam-joon
Self
Kim Seok-jin
Min Yoon-gi
Jung Ho-seok
Park Ji-min
Kim Tae-hyung
Jeon Jung-kook