A story based on the experiences of Grandma, who spent her childhood during the Japanese annexation period. When Grandma was young, her country was under the rule of the fish kingdom. Grandma, who is old now, still sings in fish language and memorizes the multiplication table in fish language. Grandma, believing that if an animal were to eat her nail clippings it would turn into her, always throws them out in the toilet. One day Grandma goes to the riverside to throw away her nail clippings, because the toilet was broken…