C.N. Blue just released the MV for their debut track "I'm a loner," a few hours ago and they are now in full force! On January 14th at 4PM KST, they held their debut showcase and performed for their already abundant fan base. Their first mini-album Bluetory, consists of 5 tracks and the music industry already has very high expectations from these 4 idol rockers. C.N. Blue will make their first live debut performance via KBS Music Bank on the 15th, so stay tuned! [gallery]