It's been announced that STU48 members Kadowaki Miyuna, Imaizumi Miria, Minami Yurina, and Nakahiro Yayoi will withdraw from their activities in the group.
Kadowaki joined STU48 as its first-generation member in April 2017. Meanwhile, Imaizumi, Minami, and Nakahiro joined the group as second-generation research students last December, and were promoted to official members just this month.
According to the announcement, the four members requested to end their activities, and their request was accepted upon discussions. The last day of their activities have not been set at this time.