The Man Wagging Tail(1995)

Original title: 꼬리치는 남자

Blind Jae-su is struck by a car. When he wakes up, he finds that he has switched bodies with Dalrong, the small dog he had been mistreating. In the dog's body, he tries to find a way to return to normal, but gets sidetracked when he begins a search for the ideal woman.