Hachi: Yakusoku no Inu

A college professor in America adopts a stray puppy he names Hachi. A close relationship develops between them. Each day, Hachi waits at the train station for his return. One day, the professor fails to come home. Despite this, Hachi continues waiting at the station, unaware of his death. The story portrays the deep affection and unwavering loyalty of the dog.