NCT's Doyoung has just unveiled the special live performance video of his new collaboration with KISS OF LIFE's Belle.
Doyoung and Belle showcase their smooth and refreshing live vocals during this special performance of 'Whistle,' complementing each other's voices perfectly.
Doyoung's 'Whistle' was released as part of his latest single 'Promise,' created as a gift to fans ahead of Doyoung's military enlistment.
SEE ALSO: KISS OF LIFE drops additional concept photos for 'Who is She'
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