Kim Sung-kyu, better known by the mononym Sunggyu or Sungkyu is a South Korean singer, songwriter, actor, and MC. He is the leader and main vocalist of South Korean boy band Infinite.
Kim Sung-kyu
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Kim Sung-kyu, better known by the mononym Sunggyu or Sungkyu is a South Korean singer, songwriter, actor, and MC. He is the leader and main vocalist of South Korean boy band Infinite.