B1A4 rejuvenated their career in Japan this year with a bevy of original releases after signing with Universal Music Japan. Along with the release of the album 4, the K-pop group held the Be the one tour from June 3-16, 2017. As the group is also celebrating the fifth anniversary of their Japan debut, the tour held especial meaning for the members & fans. This live release records the show at Tokyo International Forum Hall A on June 16, during which Aoyama Thelma appeared as a special guest.