It's 7:48am on a weekday and there is a carriage on this train painted in a shade of pink that can only be described as apologetic, and the women-only carriage is the single most honest object in the entire Japanese transport network. Honest because it says the quiet part out loud without ever actually saying it. Honest because every laminated pink sticker, every polite floor decal, every gentle station announcement is a fifty-year-old institutional confession that goes: the groping on these trains got so fucking endemic, so routine, so woven into the morning commute, that the considered national solution was to wall off half the population behind a sliding door and call it progress.

Let me be clear about what that pink sign actually is. It is not a perk. It is not a courtesy. It is a white flag. It is a country, with the best rail network on earth and some of the cleverest engineers alive, looking at a problem and going, right, we are not going to fix the men, we are going to remodel the train. That's it. That's the innovation. A masterclass in treating the symptom while the disease sits there, fully clothed, pressed up against someone on the Saikyo line.

And they're proud of it. That's the bit that boils my blood. There are little proud signs about it. There is a whole apparatus of staff in immaculate uniforms gesturing you, gently, towards your correct gendered tube of steel. The aesthetic of competence, fully deployed, in service of a policy that quietly admits the entire system failed the people it's now sorting by sex at half seven in the bloody morning.

What the women-only carriage really tells you about the groping problem

Here's the thing nobody puts on the poster. A women-only carriage is not a solution to chikan, the molestation problem. It is a containment field. It says, in effect, we cannot guarantee your safety on this train, so here is one box where we'll have a go, and the other nine boxes remain a free-for-all where you take your chances with whatever absolute tosser decided the 7:42 was his personal opportunity. Segregating the victims instead of the perpetrators is such a magnificently backwards piece of design that I genuinely don't know whether to laugh or get off at Shinjuku and walk.

And it works just well enough to never get fixed properly. That's the trap. The pink carriage takes enough pressure off that nobody in any committee, ever, has to do the actual hard fucking work of dealing with the men. Why would they? The problem's been tidied. Filed. Painted a nice colour. The wankers responsible just shuffle one carriage down and carry on, and everyone agrees not to look at it directly, because looking at it directly would mean admitting the carriage is a monument to collective failure rather than a thoughtful amenity. Kuuki wo yomu. Read the air. The air says: don't.

The tourist who boards by accident

And then, into this delicate national arrangement, walks the tourist. Bless him. Jet-lagged, enormous rucksack, no idea, beaming, steps onto the pink carriage at Ueno because it's the emptiest one and he thinks he's won. And he receives The Glare. Not a word. Never a word, that would be honne and we don't do that here. Just twelve simultaneous silent stares of pure radiating disapproval, the collective Japanese commuter freeze turned up to eleven, until the poor sod feels it in his spine and works out, slowly, horribly, that he has committed a crime he was given no information about.

And I almost feel for him, the muppet, because he's being glared at for a rule that exists because the country couldn't bring itself to glare at the actual offenders. He's getting the social punishment that should, by any sane reckoning, be aimed at the gropers. But they're harder to identify and much harder to confront, so the full weight of the carriage lands on a confused bloke from Leeds instead. Perfect. Truly the work of a sovereign nation's finest minds.

Fix the train. Don't fix the men. Paint it pink. Glare at the tourist. For fuck's sake.