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Siyoo promoting "Today" (2013)

Siyoo (시유) is a South Korean singer. She was a member of the Korean pop girl group BP POP.


  • Stage Name: Siyoo (시유) or CU
  • Real Name: Lee Si Yoo (이시유)
  • Birthdate: February 17, 1993 (1993-02-17) (age 30)
  • Blood Type: O
  • Height: 168cm
  • Weight: 44kg