Surviving on a Deserted Island with the Goddess

This is terribly written! The protagonist isn't decisive enough, despite having been a soldier! He doesn't even understand this simplest principle: survival on a desert island requires ruthlessness and decisive action—it's a matter of life or death. The protagonist lacks strategy; he scares a bunch of people with just a pistol, and he manages to get his hands on the gun several times.

The author has 64 guns but doesn't use them, only after others have almost killed them all. What a character! What were you thinking? Does the author just love to show off, using the deaths of others to highlight the protagonist's strength?

This article describes how someone managed to raise rabbits because of a stranger when there was no food available.