B1A4 successfully held their first concert, "B1A4 Adventure 2015" on 29th November 2015 at AsiaWorld-Expo Arena, Hong Kong. The event is organised by Jasco entertainment. B1A4 is an idol group under the management of WM Entertainment. The group debuted in April 23, 2011 with the single "O.K" after their first introduction to the public through a webtoon. They have released two studio albums, five EPs and various singles in South Korea. B1A4's 6th Mini Album, Sweet Girl was released on August 10, 2015 , four days after they debuted a few songs during a Guerilla Concert.
Throughout the 2 hours concert, B1A4 performed their popular songs namely "In the Air", "Solo Day", "OK", "Lonely" and "Sweet Girl". During the concert, the members also worked hard by speaking in local dialect, Cantonese. Moreover, during the performance of "A glass of water", B1A4 managed to use water as prop as shown in the following photo.