Absolutely horrifying. I've come to believe that criminal punishment is simply unethical. I wish someone would come up with a better option.
And what do you have to say to teenage girls or even little kid girls getting raped?
Being laxist towards criminals is not just being cruel to the victims to me: to me it is downright complicity with the criminals.
BTW: Japan happens to be one of the safest country on earth. A friend who's a pilot told me: "Tokyo is the only city in the world where I've women from my team (mostly air hostesses but also female pilot or co-pilot) go for a run at 3am". Now he didn't fly to every city in the world but I can name a great many cities where a fit woman won't go joking in yoga pants at 3am. And so can he.
I don't mind criminals being punished. This person wasn't convicted of anything, yet was still punished. This isn't criminal punishment, this is just injustice. It's also the norm, pretty much everywhere.
It's an obvious deficit in civilization itself that we can't have, or even seem to come up with, a principled justice system. We just intermittently ban specific atrocities and hope that eventually adds up to justice.