Photos & Videos Asians

Does anyone know of an Asian gay movie where one of the highlights is the straight guy (lead 1) was taking photos of another guy (lead 2). I believe lead 1 got obsessed with taking photos of lead 2. Lead 2 might be some sort of a gym or physical trainer. One of them was in a relationship with a female. Unsure if they are neighbours or workmates. They then fall in love with each other. Is this familiar to anyone?