Tokyo today is unusually liveable— safe , clean, functional and vibrant—for a megacity of its size: 37m in its greater metropolitan area, including 14m people in the central wards. Safe streets are the key.
They're safe because their police make the US police look human. The amount of ways you can accidentally end up in prison with some extreme sentences is uncountable. I'd recommend watching any of the traveling channels to see their warnings on it for foreigners. Punishments for something even as simple as public intoxication can be comparatively severe when juxtaposed with, for example, the US where you might spend t…
Also purely anecdotally, I have been let off with a warning in Japan before; certainly their prisons are draconian (or so I’ve heard). I’m also not sure how you could be arrested there for public intoxication; I’ve only seen police confront a drunk person who was actively trying to fight someone. Compared to countless workers or college kids passed out on the sidewalk…