While it is relatively safe, this is not the case for places like Toyko and Kyoto. (or any dense city really).
So please folks take care of your loved ones if you every visit them.
In tokyo/kyoto there is also quite a bit of police corruption, had a military friend visit and there was a dude straight up molesting a schoolgirl, he hit him and the cops wanted to arrest him, they let him go only because he was in uniform.
This would pretty much never happen in most of japan because the law takes touching very seriously, but seems the big city is the exception.
Also, those critizing "don't talk to me at school" do you not recall how the class were going to murder him XD