Yuki Kashiwagi is a prominent Japanese idol, singer, and actress, best known for her work with the popular girl group AKB48. Born on July 15, 1991, in Kagoshima Prefecture, Yuki rose to fame through her participation in AKB48, one of the highest-selling musical acts in Japan and known for its large rotating cast of young female performers. Over the years, Kashiwagi has established herself as one of the group's most popular members, participating in many of its main singles and holding key positions in the group's internal rankings.

Kashiwagi's solo career outside of AKB48 is equally impressive. She has ventured into various musical styles and collaborations, evidence of which is seen in her most recent releases. Titles like "柏木由紀なりのASP -AGAiNST THE WORLD-" and "柏木由紀なりのBiS -ANYTiME ANYTHiNG-" showcase her range and her capability to adapt to different music genres. These projects reflect a thematic series where she covers songs from different idol groups under WACK, adding her unique flair to each track. Aside from her music career, Yuki is also known for her appearances on television dramas and variety shows, which have bolstered her popularity in Japanese pop culture.