Single of the week ✦ 서울베를린 ✦ K-pop singles, one at a time ✦ Seoul to Berlin ✦ Play it loud ✦ Play it twice ✦ Single of the week ✦ 서울베를린 ✦ K-pop singles, one at a time ✦ Seoul to Berlin ✦ Play it loud ✦ Play it twice ✦