Welcome Back is the first studio album by South Korean male group iKON, produced by iKON’s leader B.I. The full album was initially planned to be released on November 2, 2015. On the 27th of October 2015, YG Entertainment made a re-scheduling announcement stating that the release of the full album will be delayed and released on December 24, 2015, along with additional music videos than previously planned. In the meantime, two digital singles along with two accompanying music videos will be released on November 16.
According to the Gaon Music Charts, iKON topped the weekly album sales charts at the No. 1 position with their Debut Half Album – Welcome Back for the first time for the period 2015.10.04 to 2015.10.10.