Yamamoto Sayaka (山本彩), nickname "Sayanee" (さや姉), born July 14, 1993 in Osaka, Japan is a Japanese idol singer and captain of idol group NMB48's Team N. A first generation member, Yamamoto is one of the founding members of NMB48 as well as the most prominent and well known. Aside from her position in NMB48, in which she joined in 2011, Yamamoto has participated in numerous singles from sister group AKB48; including but not limited to "Everyday, Katyusha" and "GIVE ME FIVE!".

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