Traces of a Rustic Hero, One Man and One Dog Wandering the World

This was a feudal era with productivity similar to that of the Industrial Revolution. Mechas and immortals fly together, and machines share the same color as the martial arts world. Liu An, 16 years old, a swordsman whose parents both died. After her master died, she began to investigate the case while avoiding the pursuit of her enemies. One person and one dog, struggling in troubled times.