Heejae Kim works out with Jang Yoon-jeong — and still feels starstruck

"Even working out with her feels like seeing a celebrity" Heejae Kim reveals the true heart of a 'successful fan.'

New song 'Did You Wait for a Day Like This' features Jang Yoon-jeong's songwriting, composing, and choreography directing

Singer Heejae Kim has revealed the special production process behind his recently released new song, 'Did You Wait for a Day Like This.' Appearing on MBC FM4U's 'Son Tae-jin's Trot Radio' on the 30th, Heejae Kim disclosed that this new track was completed under the guidance of Jang Yoon-jeong.

Heejae Kim described the color of the song, stating, "Senior Jang Yoon-jeong created this, capturing the feeling of 'Dolidio.'" Notably, in this project, Jang Yoon-jeong did not stop at simply providing the song; she participated in the entire process—including songwriting, composing, and chorus, as well as directing the choreography and styling—to help shape Heejae Kim's new image.

Former Jang Yoon-jeong fan club member Heejae Kim: "Even when meeting privately, it still feels like seeing a celebrity"

Having been a member of Jang Yoon-jeong's fan club in the past, Heejae Kim revealed his side as a 'successful fan' through this collaboration. When host Son Tae-jin asked if he was a successful fan, Heejae Kim shared his honest feelings with a shy smile.

He said, "It is amazing when I work on music with her, but even when we work out together or meet privately, I still feel like I am looking at a celebrity." It was a sincere confession that the process of making music with a senior he has admired for a long time still feels special and unfamiliar.

A 'Dance Trot' expert who remained unshaken even during an unexpected microphone cable disconnection

He showed firm confidence in his musical identity. When asked which genre suits him better between ballad and dance, Heejae Kim answered "Dance Trot" without hesitation. He added that his secret to boosting confidence is to give himself a self-hypnosis right before a stage, saying, "I am cool, I am confident."

During the broadcast, Heejae Kim showcased his solid vocal skills by performing 'Barang' live. Even when an unexpected situation occurred where his microphone cable suddenly disconnected during the song, he did not panic and continued to sing without wavering, once again confirming his professional side on stage.