The stop-motion animation "MASK", the story is about the country of masks. All children will start to wear masks when they reach the age of 18. They also receive several adults to visit their homes for mask "dialogue" every day ". Adulthood is a yearning and expectation for every child. The protagonist from the adult day began to adapt to wear a mask to live, communicate with people. The first time I met guests at home, I suffered a lot because of the protagonist's curiosity, strangeness, and inunderstanding of the mask. The protagonist began to question why people can't meet with the most original face, always wearing a false mask.