erena was also one of the focal members of team k, taking part in most group activities. during akb48's concert at the yoyogi national gymnasium in july 2010, it was announced that team k member erena ono would be graduating from akb48 to study acting abroad. erena graduated from akb48 on september 27, 2010 in a team k theater performance. her blog was closed soon after, on 4 november. she opened a new blog again on july 27, 2011 and in early october 2011, it closed again. in october 2011, she opened a new blog. ono said that she was going to study in london, but then decided to change her mind and stay in tokyo. she stated that the reason was because she could not live outside the entertainment world. now, she is working under lespros entertainment and training hard to become an actress.