Lock End LOL

The single album debuted at number 6 on the Gaon Album Chart for the week ending May 18.[3] In its second week, the single fell to number 40.[4] In its third week, the single rose to number 18 and fell to number 27 in its fourth week.[5][6]

The album placed at number 24 for the month of May with 12,373 physical copies sold.[7] It also placed at number 56 for the month of June with 3,254 additional copies sold. It has sold 20,051 copies as of July 2019.[8]

The reissue debuted at number 7 on the Gaon Album Chart for the week ending August 17.[9] In its second week, the reissue fell to number to number 25, and in a third week to number 32.[10][11] The album placed at number 26 for the month of August with 9,149 physical copies sold.[12]