In the annual AKB48 general elections, Yuki has consistently ranked among the group's top members.

[6] She joined AKB48 after an audition again on December 3, 2006, and made her debut as a member of Team B at the "AKB48 1st Anniversary Live – Seizoroi da ze!

Before her theater debut, as part of the "AKB48 Haru no Chotto Dake Zenkoku Tour – Madamada da ze 48" tour, she appeared in Yuko Oshima's position on March 17 at the Aichi Welfare Pension Hall and on March 18 at the Fukuoka International Conference Hall.

During the AKB48 third general election in 2011, she was ranked third place by popular votes, after Yuko Oshima and Atsuko Maeda.

[11] On February 6, 2013, Kashiwagi made a solo debut on her personal label "YukiRing", with the single "Shortcake".

[14] She made her first appearance as a member of NMB48 during the group's solo concert in Saitama Super Arena on April 5, 2014.

[17] Kashiwagi received her first center position for the group's 39th single, Green Flash since her debut in 2006.

[20] On April 9, 2021, it was announced that Kashiwagi would temporarily join all seven current WACK groups as a member, with the stage name Yuki Reysole.

On September 15, 2023, it was announced that she would celebrate her solo debut 10th anniversary with her third concert tour titled Kashiwagi Yuki 3rd Tour Netemo Samete mo Yukirin World ~ Solo Debut 10th Anniversary Mo Muchuu Ni Sasechauzou ~.