Eindra considered Lee Duri to be her most dangerous rival on Mnet's new survival show. It started the very first time she laid eyes on him, watched him perform, and acknowledged that he seemed to have every quirk and specialty that she lacked. It all really begun, however, once he became centre over her. Eventually, she didn't care about anyone else, she never felt spite towards anyone for succeeding- it was only him. Somewhere along the way, she realised that jealousy was not the only feeling lingering between them.