MC GREE discussed the behind story of working on the lyrics on his song, "Dangerous".

On the October 25 installment of SBS PowerFM 'Kim Chang Ryeol's Old School', MC GREE appeared as a guest and shared that he thought about his girlfriend when writing the words to his latest song. He also revealed that his girlfriend worked on the first verse with him, "But she's not added as a lyricist." 

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Regarding the reactions to his new song, he said, "First, Rhymer, the president of my label, was happy for me. He complimented another song that I wrote." Hanhae added, "MC GREE is the only other artist who ranked #1 on a music chart besides San E. He is the future of Brand New Music."

MC GREE also commented, "My dad (Kim Gu Ra) is usually very cool-headed, but since I am his child, he is thrilled and encouraging toward me... And my girlfriend is just so happy for me. In the lyric, there's the phrase, "Yellow hair', and my girlfriend has yellow hair right now."