Oshima Yuko‘s graduation was initially scheduled on 30th March during the 2nd day of AKB48 Group Haru Con (AKB48単独&グループ 春コン) at National Olympic Stadium. However, the event had to be cancelled due to stormy weather. And later after that it was announced a new graduation concert will be held on 8th June at Ajinomoto Stadium in Tokyo. The event will take place one day after the ceremony of the AKB48 Senbatsu General Election 2014 (AKB48 選抜総選挙 2014) which is scheduled at the same venue.
Oshima Yuko and AKB48 general manager Takahashi Minami posted a video message on the idol group’s official YouTube channel to announce that her graduation ceremony was postponed.
Moreover, Oshima Yuko talked to the fans after the cancelation of the concert to apologize and to thank them for their support. Her last live performance with AKB48 is on 2nd June at their theater in Akihabara.