Responses
Actually during that age science and medicine was surprisingly very advanced for the age. It was only because of stupid wars that the knowledge was set back. Sure they didn’t have plastic, but they did have glass and wiring
Isn't it an era where neither plastic, nor convex glass, nor ophthalmologist were supposed to exist ? Then why the hell would he wear glasses ??? I know it's because of the author's fantasies and don't get me wrong, I like this manga, but seriously, the author could have made an effort....