On the 7th's episode of 'K-Pop Star 5',Chae Ji Hye,Jung Jin Woo, andMazinger Sstood on stage for their competition. Chae Ji Hye took the first stage and sangLee Seung Hwan's "Empty Heart". Afterward,Yoo Hee Yeolsaid, "You have an eerie charm. You don't use the regular ballad singing techniques at all. You have a unique way of singing, but it doesn't feel that great." Yang Hyun Suk said, "I don't have anything to say, so my head is blank. It was plain."
J.Y. Park added, "It's good that you have your own color, but you lack the talent to back it up. You can't express delicacy." Yoo Hee Yeol, after hearing the analysis, wasawed and said, "Now that you've said that, I know exactly what you meant." Yang Hyun Suk also said, "You're very good at explaining. You should quit JYPE and just open an academy. Become a teacher," drawing laughter from the three judges.