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A little after Jimin released his first self-composed track, Jimmy Fallon congratulated the idol via Twitter, stating, "Oooohhhhhhh my man JIMIN with a solo jam!! I love it. Congrats! Your brother, Chimmy."
Oooohhhhhhhh my man #JIMIN (@BTS_twt) with a solo jam!! I love it. Congrats!! 💜Your brother, Chimmy https://t.co/PW9swb0cJN— jimmy fallon (@jimmyfallon) 2018년 12월 30일
On December 31 KST, Jimin released "Promise" on BTS' SoundCloud. Meanwhile back in September, BTS met Jimmy Fallon on 'The Tonight Show.'
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