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Her agency Star Empire stated on the 24th, "Nine Muses' Sera's contract has reached its expiration date so she has decided to graduate from Nine Muses. Her future activities have not been discussed in detail, and we will cheer on and respect Sera's new start."

"Nine Muses plan to recruit a new member and with a reorganized team, they plan to make a comeback early August. We also ask that you show your support and love for the future activities of Sera as well as Nine Muses."

Wish Sera the best of luck with her future activities as you await the group's new comeback with a new member.

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[Update] - Sera had previously posted a song she created herself that was dedicated to her fans with pictures of her as well as the Nine Muses members. This left fans to wonder about the message of the song, and now with this announcement, some fans believe it could be a goodbye song thanking her fans for their support. Check it out below.