Technically yes, when the protagonist enters the video game, a plot point is that his dog dies. However he comes back at the end and is perfectly okay.
The music is very loud and annoying at times. Cicadas make a lot of noise when the protagonist is outside. The protagonist chews grapes loudly. There are strange, often loud or shrill sound effects. Dog barking.
Cicades are shown multiple times, in close up for some time, as well as from a distance. They are also shown being cooked, on an old TV. A dog eats one alive. There are a lot of flies in a light fixture.
However he comes back at the end and is perfectly okay.