Kim Woo Bin revealed to have done a super sweet deed for his unwell grandmother

Kim Woo Bin is touching hearts as his kind deed has recently come to light!

It's becoming well known that near the end of last month, he made a surprise appearance at a movie theater in Busan for a showing of 'Master'!  He was supposed to go down to Busan with the other actors on December 30 and 31, but he went a day ahead because he heard that his ailing grandmother and other family members were going to go watch the movie that day.  Hearing this, he went to Busan in advance.

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After the film ended, he took off his hat and greeted everybody in the theater, surprising the audience members who cheered at seeing him.  He told the whole story to the viewers and said, "I'm sorry for suddenly coming to look for you, and I thank you," then bowed his head. People are touched that he made this small but sweet gesture for his grandmother.