On January 22, Yesung, Shindong, Donghae, and Eunhyuk guested on KBS 2TV's 'Hello Counselor'. 

The MCs asked the veteran idols to name the member that has improved the most visually since their debut. Yesung brought laughter as he honestly commented, "Besides Donghae, all of us were more on the ugly side." 

The past photos of each member were then revealed. Seeing Eunhyuk's old photo, Shindong pointed out that Eunhyuk is truly the one who has improved the most and said he looks like actress Choi Yeo Jin. The audience also voted Eunhyuk as the member that has changed the most. 

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Which Super Junior member do you think has visually improved the most since their debut?