BTS Japan Official Fanmeeting Vol.4 ~Happy Ever After~ was BTS's 4th Japan Official fan club event. It took place from April 18, 2018 to April 24, 2018. The DVD was released on November 28, 2018 and the Blu-ray on December 26, 2018
Unfortunately the movie BTS Japan Official Fanmeeting Vol.4 ~Happy Ever After~ is not yet available on Disney Plus.