Yuki is one of the idols of group "Mystery Kiss". She sing and dances on stage with Rui Nikaido and Shiho Ichimura. Rui is a centre voice of "Mystery Kiss", while Yuki and Shiho is secondary. Rui is a little jealous and can't accept loses, but pretty nice person. Shiho is kind and pretty on the outside, but inside secretly wants to become rich. Yuki is almost perfect, beside being idol, she also enjoys dancing ballet and not afraid of scene from early childhood.