they become the fastest 4th gen song to reach 100K in 3 times less times it took Dalla dalla to reach 100K, even if the numbers of Melon decrease compare to when Melon was release
they are still stable on melon 24h chart and in Melon old chart (#2) at the end of their 4th week , which means they have some big chance to tie with Dalla dall as the longest 4th gen song in the top 10 or even surpass it