Okada Yui (岡田唯) was one of the 2004 Hello Pro Egg Audition winners. She is a former member of the group v-u-den, along with Ishikawa Rika and Miyoshi Erika. Beyond v-u-den, Okada was also a member of the Hello! Project shuffle unit H.P. All Stars, and the kickbase team Metro Rabbits H.P..