Highlights Yong Junhyung expressed his gratitude to Heize and Park Shin Hye while talking about his new digital single, Wonder If.
During his Naver V-App broadcast on May 2, Yong Junhyung was asked to explain keywords connected to him, and two people who were mentioned were Heize and Park Shin Hye.
When talking about Heize, the idol said, I want to take this opportunity to sincerely thank her once again. She was more than happy to work with me, and she wrote the lyrics and melody. Im so grateful because I believe its thanks to her that I was able to create this digital single.