What are self-defense laws in Japan?

So you’re out enjoying a night in Japan, drinking at an izakaya or bar, when a tipsy salaryman — or perhaps a Frenchman angry over a ¥500 bento —…

What are self-defense laws in Japan?
So you’re out enjoying a night in Japan, drinking at an izakaya or bar, when a tipsy salaryman — or perhaps a Frenchman angry over a ¥500 bento —…