Sera will be the next one to graduate from Nine Muses after Lee Sem and Eunji.

On June 24th, a rep from Star Empire Entertainment,"Since Sera's contract with the company has expired so she has decided to graduate from the group. There's still no specific details about her future activities, but we will continue to respect and support her".

It was revealed that there will be a new member add and the group is planning to make a comeback in August. They also asked the fans to continue giving a lot of support for both Sera and Nine Muses' future activities.