Yesung’s solo track from the drama Cinderella Sister It Has To Be You was flooded with love in Twitter. The song was debuted earlier in the day on the music show, Music Bank. The tag  “#ithastobeYesung was trending worldwide on the popular website.  ELFs from Korea and other countries joined as well.

With significant support from their online fans, the tag gained so much popularity that it reached the #1 position as the most tweeted about event on the social site.

On the other hand, Yesung debuted as a solo artist on Music Bank today, June 4th. Super Junior members even introduced Yesung themselves.

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