Yojimbot - original comic art

Yojimbot is a science fiction comic book series created by Sylvain Repos.
Japan, 2241. Following the "3rd man crisis", the surface of the Earth has become uninhabitable for human beings. All that remains of the ruins are robots.
But one of them (a Yojimbot, a samurai robot) unexpectedly comes across Hiro, a young boy, and his father, who are trying to escape from an armed group.