LEDApple, a K-ROCK band, suffered anti-fans.

Kim Kwang Yeon, LEDApple's bassist, had been watching the heartbreaking and despairing comments of their videos. The other members didn't care what those anti-fans were saying, but those comments were really possessed Kwangyeon and he turned out to be hopeless and tired of it.

One day, he was gone and all the members of LEDApple were worried. Where was he?