Yuki Kashiwagi (柏木 由紀, Kashiwagi Yūki, born July 15, 1991) is a Japanese singer and actress. She is a member of the Japanese idol girl group AKB48 and a former member of NMB48 and NGT48. She auditioned for AKB48 on December 3, 2006. After trying out for the first and second generation recruitments, she finally debuted as a part of the third generation, making up the original Team B, in which she is currently the longest serving member of with 14 years. She was previously the captain of Team B before she was replaced by Ayaka Umeda. She was also a member of AKB48 sub-group French Kiss. Her talent agency is Watanabe Productions. Her nickname is Yukirin.