Singer Kim Wan-sun and Red Velvet's Seulgi will release their duet song 'Lucky' on the 15th.

'Lucky' delivers a message about the courage to leave a difficult relationship, which can sometimes be a blessing. 

The song was written, composed, and produced by Park Jin-young.  

Kim Wan-sun previously collaborated with Park Jin-young in the 2023 music video for 'Changed Man.'
  
The choreography for 'Lucky' was created by the renowned dance team LACHICA, and both singers will appear in the music video to showcase their performance.  

The agency stated, "Lucky is a special dance track gifted by Park Jin-young to Kim Wan-sun."