Umeda Ayaka was the co-captain of NMB48's Team BII. She is a former member of DiVA. She is now affiliated with Flave Entertainment.
- Joined AKB48 as a Team K member on February, 2006
- Transferred to Team B on August 24, 2012
- Transferred to NMB48's Team BII on February 24, 2014
- Graduated from NMB48 Team BII on March 31, 2016 (Announcement: January 23, 2016 | Graduation Ceremony: March 31, 2016 at Zepp Namba | Last Theater Performance: March 20, 2016)