• Full name: Yu Siah
  • Date of Birth: September 17, 1995
  • Nationality: Korean
  • Blood type: A
  • Group: Oh My Girl
  • Agency: WM Entertainment
  • Debut: 2015
  • Position in the group: lead vocalist, main dancer
  • Family members: Mom, dad, older brother, Yooa
  • Nickname: ‘orange girl’ ‘pea Yooa’
  • She wanted to become a singer because she had too many stalkers when she was young
  • Yooa’s favorite artist is Beyonce