Former NGT48 member Sugahara Riko has signed Japanese talent agency avex management.
Sugahara Riko is NGT48 1st generation member, she and other two former NGT48 members Yamaguchi Maho and Hasegawa Rena graduated from NGT48 together on 18 May 2019.
Note: Former AKB48 member Kawaei Rina is under avex management.
Original source: Nikkan Sports
Related post: Yamaguchi Maho joins KEN ON / Ex-NGT48 Hasegawa Rena signs New Agency