Negative comments have been thrown against Zico of K-pop group Block B for homophobic slur in his rated-19 music video released earlier today. But just when the issue is starting to heat up, his solo debut track "Tough Cookie" has been subject to another controversy involving him wearing a confederate flag in the track's MV.

Daily Kpop News reported that shortly after the MV was released, many fans reacted negatively over the rapper's use of homophobic slur in the song's lyrics that is basically offending to homosexuals. According to Koreaboo, negative comments were since posted on the YouTube video, as well as on Block B's Facebook page.

However, this was not the end of the backlash. Later on, somebody uploaded screenshots from the MV showing Zico wearing a jacket that bears a confederate flag on one arm. It appeared on the MV's 3:20 part.

The symbol has been associated with hate and racism and has been a controversial, inflammatory symbol of American culture. DKPop News noted that such display of symbol could be seen a sensitive matter and could draw negative comments. The symbol is commonly used nowadays by extremist groups like Ku Klux Klan (KKK).

"Tough Cookie" is Zico's first single, wherein he did not just sing but also tried his hands at composing and producing, according to reports. The track feature Don Mills from Vismajor.

The MV also featured Jay Park, Loco, and fellow Block B members, in cameo.

According to an article by Hello Kpop, the Block B member has been teasing about the track through his Twitter account. Not long before the release, he uploaded an image designed by artist Mina Kwon. His group's agency also unveiled a number of teaser images.

Prior to the official release, the rap idol has performed the track on Mnet as well in some hip-hop events last month.