Ota Aika is a Japanese pop singer and idol managed by Production Ogi. She is a member of HKT48's Team H, and was formerly a member of AKB48's Team A. She is a former member of Watarirouka Hashiritai.
She announced her graduation on January 17, 2017 and graduated on April 10, 2017 (2 days after AKB48's 3rd Generation 10th Anniversary).
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