Secret Analysis: Starting with a Dog, the Martial Saint Relies Entirely on Gou

The protagonist uses the "Secret Analysis System" to survive and become stronger in the crisis-ridden urban world of martial arts, and gradually uncovers the ultimate truth about his own time travel, the source of the system, and the "secrets" and "revival of spiritual energy" hidden behind the world, and fights against the evil organization that is trying to subvert the world.