I know that character!!
It was a treat to watch. Easy to understand, but the ending took it to the next level for me. Being friends with a dog cause you're stranded is a good way to convey loneliness. The camera cuts and angles were natural and went well together. Only thing is that you should've added some noise such as handheld motion to the cinemachine cameras (im assuming you used cinemachine). Overall, a good watch!