Lee Kwang Soo, Cha Seung Won, and Kim Sung Kyun's new movie "Sinkhole" earn another achievement as the comedy disaster movie sustains its standing in the box office. After making a premiere on the big screen last August 11, "Sinkhole" topped the box office and continued to reign since its release. #Sinkhole #LeeKwangSoo #ChaSeungWon #KimSungKyun #Sinkhole