A Sumo Wrestler's Tail(2010)

A short film only screened at the Ghibli Museum in Mitaka. This story is based on a Japanese folk tale "The Mice's Sumo Tournament".

Once upon a time, deep in the mountains, there lived an old couple who worked day after day in exhaustion, toiling up and down the mountain field. One night, the old man stepped outside and noticed a group of mice headed somewhere. He quietly follows them to find mice gathered for a sumo tournament. When the old man and his wife learn that their home mice are always losing, they start preparing a special feast of saury fish dumplings and grilled tofu with miso sauce. They even make new red sumo uniforms for their mice team. What will happen in the next sumo games?

(Source: Ghibli Museum)