Jaekyung is taking the lead in terms of creative concepts for Rainbow Blaxx as the group's art director.
Jaekyung lent her creative juices in the conceptualize of props, costumes, and overall theme for Rainbow Blaxx debut. The singer herself also revealed that she designed the logo and materials used for teasers and jacket photo for the unit group's single.
On KBS 2TV's "Full House", Jaekyung showed off her artistic side through her skills in calligraphy. She said, "When I am stressed and I want to relieve it or to completely distress, I do calligraphy. It allows me to take control of my emotions. When I had to take on the role of Rainbow BLAXX's Art Director, I incorporated my calligraphy into the album jacket design."
She also showcased the logo she used for Rainbow Blaxx's album photos.