[talk] Doyoung, Kiss of Live Bell and surprise harmony, 'Whistle' will be released on the 9th!ㅎㅎ

Doyoung, Kiss of Live Bell and surprise harmony, 'Whistle' will be released on the 9th!ㅎㅎ

Doyoung's new single 'Promise', which will be released at 6 PM on the 9th, consists of two tracks: the title track 'Promise' and the track 'Whistle (Feat. Bell of KISS OF LIFE)'. I'm really looking forward to it!