Paul Kim’s “So Long” (from the OST of tvN’s “ Hotel Del Luna ”) continued to top the overall digital chart this week, while BOL4’s new track “Workaholic” debuted at No. 2.

Paul Kim’s “Goodbye” is the latest in a series of “Hotel Del Luna” OSTs that have had huge success on the charts! On August 12 at 6 p.m. KST, “Goodbye” was released as the 10th song ...