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This is Ahn AeYin's leaked video of her freestyle rap during one of her rehearsals with her rap coach. Netizens have commented on how she was able to portray such strong emotions in a rap that was improvised. Even idols have praised her rapping abilities. "Rap is undermined by people. Reject singers do not rap; Rappers rap. But to be able to freestyle rap and conjure an emotion that can be felt through a computer screen, as a rookie, is something that should not be overlooked. Every rapper, including me, should begin to worry about there position in the Rapping Realm." CL from 2NE1 truthfully commends. 

However, it is undeniable that there are negative and hurtful comments on AeYin. Lyrics were pre-made, too ugly to be an idol, and probably at singing, these type of comments were also left in hopes that AeYin will see them.