She has also been a member of the bands NiNa (1999, with Kate Pierson of the B-52's, bassist Mick Karn of Japan, former members of the Japanese New Wave band the Plastics Masahide Sakuma and Takemi Shima, and session drummer Steven Wolf) and Mean Machine (alongside Chara, 2001).
[citation needed] After graduating from Hakodate Otani College, she worked as a beautician.
She met Yoshihito Onda who visited Hakodate to make a movie, The Triple Cross.
After Judy and Mary disbanded, Yuki made her solo debut in 2002.
She married Magokoro Brothers frontman Yoichi Kuramochi in September 2000, and gave birth to her first child, a boy, on April 18, 2003.