Kang Siwon (강시원), also known as Xiwon, is a South Korean Singer under TNK Entertainment and JTM Entertainment. She made her debut on April 4, 2019 with the single "Click Click". She was first known for appearing in the hit survival show Produce 101. In 2017, Kang Xiwon became a part of UNI, a four-member girl group that was formerly under We Can Do It! Entertainment and was later supposed to make their debut under TNK Entertainment, but ultimately disbanded before debuting.