Cachorro

Bear Cub is a 2004 Spanish comedy-drama film co-written and directed by Miguel Albaladejo. The plot follows a bearish gay man who ends up looking after his nephew while his sister goes away to India and in turn makes him develop a fatherly bond with the boy, that forces him to change his own lifestyle.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.

Poster © the film's rights holders.