TEEN TOP's Niel has revealed the mystery collaboration artist for his upcoming release, 'Love Affair 2'.

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Niel is partnering up with rapper Justhis for his song "Are You Doing Okay?" (literal translation). "Love Affair" is the title track from Niel's 2nd solo mini album released back in January of this year. 

Niel and Justhis' collaboration is due out on September 21, so stay tuned for more updates!