The world’s first weeb.

God i love the my mom told me to do this look on his face

I’ve always been a bit curious and confused about Japan’s isolation(s). Until a century ago, it was a reasonably successful policy to simply send an army and conquer. Japan had notoriously terrible iron and, aside from using mountains and rugged terrain, there would have been little that they could do to against a continuous force of fully armored European knights. How was it that they escaped colonization unlike India and China?