Super Junior's Yesung revealed his experience with a very strict diet.

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The singer is starring in the Japanese film 'My Korean Teacher' and spoke about how he slimmed down for the movie at the press conference on November 3. Yesung said, "I've only eaten dinner 7 times this year." The director added that the Super Junior member had maintained his diet during filming as well.

Yesung went on, "My mother was worried because of the diet, but I think I can contact my family in a good mood today. It's because the movie has received so much love on the first day it premiered."

'My Korean Teacher' tells the story of a Korean language instructor, played by Yesung, and a single mother, played by Nozomi Sasaki, who works for a travel agency.