This year alone we have : IVE aespa STAYC NMIXX fromis_9 (only 1 day) Kep1er New Jeans Le Sserafim Idle We had like 5 girl groups that can chart in 3rd gen but so many from 4th gen. But why none 4th gen boy group can break into top 100, when apparently korean is finally warming up to idol music?