Kinoshita was born in Katsushika, Tokyo, and attended Shibuya Liberal High School. She began modelling at the age of 19, when she got her first assignment as a lingerie model in the 2007 edition of Sanai swimsuit image girl. Later in 2008, she landed another assignment as an image girl for the company Kygnus Sekiyu. She also did gravure modelling and released two photobooks, with the first being Yukina 2007 and the second Wakannai in 2008, as well as two DVDs. She became famous primarily as a te