Yoo Soo-young, or as she is more simply known, Shoo, is a singer and actress recognized as a member of the girl group S.E.S. She also launched a solo career in 2010 with the EP Devote One's Love.
She auditioned and was signed to S.M. Entertainment. She would later make her debut with S.E.S. in 1997.
In 2005, she appeared in the stage show Bat Boy: The Musical.
Her father is Korean and her mother is Japanese. She married basketball player Im Hyo-sung in 2011. The couple has three children, Yoon, Ra-yool, and Ra-hee.
She makes up one third of S.E.S. alongside fellow singers Eugene and Bada.