A Brief Message from the Heart (1995)

A Brief Message from the Heart 1995 / 日本一短い「母」への手紙 1995 / Nihon ichi mijikai 'Haha' e no tegami

Hiroshi finds his sister Maki's short message to their mother who abandoned them eighteen years ago. He sends it to a collection held by Fukui Prefecture and wins a prize. Hiroshi decides to search for his mother, while Maki cannot forgive their mother for abandoning them. However, they are brought together again when Hiroshi is hit by a car while saving a kitten. (Source: AsianWiki)