Shounen to Inu

"Tamon", who became a stray dog ​​in the earthquake, continues his journey to the southwest while repeating encounters and partings. A man who commits crimes for his family, the leader of a gang of foreign thieves, a prostitute who contributes to a man, an old hunter who realizes he is about to die, and a boy whose heart has closed due to the disaster... What is Tamon's "destination"?