JYJ's Jaejoong and Kim Ji Won's kiss scene had fans go wild with jealousy.

Rookie actress Kim Ji Won has been seen in the MBC sitcom "High Kick 3" and the SBS drama, "To the Beautiful You."

The two filmed a kiss scene for Baek Seung Heon's debut music video, "Until the Sun Comes Up." This song features a medium tempo beat with a mix of electronic piano and brass sounds.

This song was also composed by JYJ Jaejoong himself, making fans curious about the song.

The music video teaser for this song has also been released today.