Yuko Oshima (大島 優子 Ōshima Yūko born October 17, 1988 in Tochigi Prefecture) is a former member of Japanese idol girl group AKB48, of which she was the captain of Team K. She is also a member of the AKB48 subunit Not Yet. Outside of singles that involved rock-paper-scissors tournaments, she has sung on the title tracks for all of AKB48’s singles since “Aitakatta” in October 2006. She has placed among the top two for the annual AKB48 general elections from 2009-2013.
・name：Yuko Oshima 大島優子
・birthday：October 17, 1988
・Birthplace：Tochigi / Japan
・Debut：1996 As a child actress 2006 Join AKB48
・Main work：TV drama, Movie, TV show, Singer,TV Commercial