Gfriend’s last #1 was Navillera in 2016
EXO’s last #1 was Kokobop in 2017
Winner’s last #1 was Really Really in 2017
Ikon’s last #1 was Love Scenario in 2018
Red Velvet’s last #1 was Power Up in 2018
Twice’s last #1 was Yes or Yes in 2018
BLACKPINK’s last #1 was How You Like That in 2020
BTS’ last #1 was Dynamite in 2020
Seventeen’s last #1 was never because they don’t have one
NCT don’t have a #1 song either
Monsta X... lol
It’s sad to see gen 3 groups decline in popularity 
