▶ USED SOURCE : Music Video KARA - STEP SISTAR - Loving U SISTAR - So Cool SECRET - POISON 4minute - Heart to Heart Hyuna - Bubble PopAnimation Kirameki Yoko Suzumiya Haruhi IDOLM@STER K-ON Angel Beats! Onii-Ai Chuuni Byou ▶ SONG : KARA - STEP ▶ USED TOOL : VEGAS PRO 12.0 ▶ DATE : 2012. 12. 6. ~ 2012. 12. 10.