The past two years marked an end of an era for the boom-era groups. Matsui Rena's graduation back in 2015 created a chain reaction among big names in the idol world.
LEGEND
48 Group Sakamichi Hello Project Stardust Planet Idol Street Others
Graduated/Disbanded
Indefinite Hiatus/Contract Termination
Demise
The names are not in chronological or...
LEGEND
48 Group Sakamichi Hello Project Stardust Planet Idol Street Others
Graduated/Disbanded
Indefinite Hiatus/Contract Termination
Demise
The names are not in chronological or...