News that Kim Jae-joong will appear in the music video for a new song by rookie idol PURPLEBECK has made headlines.

Entertainment said that Kim Jae-joong will make a special appearance in the music video for a new song by the new idol group "PURPLEBECK ," which will be released on Sept. 30. On Sept. 27, just before the music video was released, a photo of Kim Jae-joong was released in a surprise move, raising expectations.

PURPLEBECK's new comeback title track "Dream Line," starring Kim Jae-joong, is a heavy dance song based on a grand bass featuring lyrics that say, "Let's move silently toward our dreams without stopping”  with the sophisticated sound of British in K-pop.

In a photo on one of the scenes of the released music video, Kim Jae-joong turned into a photographer who takes pictures of the landscape beyond the viewfinder. With deep eyes and a clear atmosphere of green forests, people are all the more excited about which music video of the story will be released. Kim Jae-joong will increase the concentration of the song with his unique visual and delicate acting skills.

Kim Jae-joong's music video appearance is drawing attention because he will play the lead role once again in two years after he appeared on "I I YO" M/V, the title track of Gummy's fifth full-length album released in 2017. Earlier, Kim Jae-joong expressed a character which turned into a dreamy boxer and continues to move forward without giving up his dream despite difficulties.

"Kim Jae-joong claimed to play the role of a crisis maker by making the field atmosphere friendly with a bright smile throughout the shoot, and also delivered warm advice from his experience as a senior member of the K-pop scene to rookie PURPLEBECK ," an official said. Expectations are rising over what synergies Kim Jae-joong and PURPLEBECK  will play."

Meanwhile, the music video and music video of rookie idol PURPLEBECK's new song "Dream Line," starring Kim Jae-joong, will be released at 12 p.m. on Sept. 30.