Tonton Film Star Watching Dog (Hoshi mamoru inu) (2011)

An abandoned car is discovered near a camping ground and inside it is the body of an identified middle-aged man and a dog who seems to have died months later. This is the story of the life of the loving and faithful dog and his owner told from the dog's point of view. City hall employee Kyousuke Okutsu is assigned to uncover the man's identity for a proper funeral. As he investigates the situation, he remembers his late family and his own dog's unfailing loyalty.