You know, unlike some of the readers here, I'm normally fine with a "save the villains" approach. There is a lot to be said for trying to uphold justice without extrajudicial violence, etc, etc...
Under basic principles, when my life is not in danger, I can understand the idea that having Society deal with them is upholding the idea of the rule of law.
And, even though I live in the United States, I am actually a huge fan of the rule of law; I can understand the circumstances under which this would be acceptable.
As you noted, however, these are not those circumstances.
But going so far for it with no explanation (like, at least acknowledge it??) right after a left-hand-turn into an attempted rape scene from the villains feels like... I don't know. It's just feels like bad form. It ends up coming off like the author's implying "hey, it was just a little rape, no biggie, right? Boys will be boys!"
This attitude is actually very prevalent in Japanese culture; the idea that men and women cannot share a room, because it is only natural that the man will rape the woman, is inculcated in law in japan.
If you are a rape victim, Japan doesn't give a shit; it was probably your fault for wearing that dress, or talking to that man, or existing while being female.
It truly is one of the greatest pieces of shit located in Japan society, and they really don't fucking care if you like it or not. Female humans are not equal in any way to mail humans in Japanese Society.
I mean, they're not terribly close to it in many Western societies either, but the fact that Japan considers
rape to simply be
"a bummer that happens to someone else" tells you everything you need to know about their society's outlook on equality.
As every male manga protagonist says:
"But, what if I attack you?"
Which tells us that people contemplating rape in Japan do not even consider that they can physically stop themselves; they simply assume that it will be normal for them to commit rape, and that they will not be charged, arrested, found guilty, or even bothered by authorities if they commit rape.
"But what if I attack you?"
Which literally means:
"What if I accidentally punch you in the face until you're unconscious and then rape your unconscious body?
"It would totally be an accident, right?"
I still don't know what the fuck is wrong with these people, but it's pretty fucking deeply,
societally, wrong.
Like. I'm not saying you can't have a protagonist like this. You can. Written differently, they can even be compelling. But you need to at least stop and explain shit about what principles he holds so dear that he's going to risk his life for a bunch of rapists that just tried to kill him. Simply glossing over that and moving on is... at best, authorial malpractice.
Sorry if I seem to be using your comment as a soapbox, but you're
totally correct, and I feel like maybe people should be aware.