Everyone is 'going crazy' over rising hot star, Bang Yong Guk. Although he's been in the underground scene for some time now, he made his public debut with fellow labelmate Song Ji Eun though their duet, "Going Crazy", earlier last month. Responding to the fervent interest in their trainee,�TS Entertainment uploaded a behind-the-scenes video from the filming of the "Going Crazy" MV, which focused exclusively on Bang Yong Guk. Even though he's hooded half the time, viewers can definitely feel a strong charisma as he jumps from 'dark' to 'light-hearteded' in the blink of an eye. While we wait for Bang Yong Guk's debut with TS Entertainment's upcoming boy band, we can grab our fix of the hot rapper through the video below! Tip: sergel02