Your contract says 20 days of paid leave. Your manager takes six. The senior guy next to you takes five, and he mentions it like a medal. By December, everyone's leftover days are quietly evaporating, and nobody says a word.
Then you book four days in a row, with a week's notice and a tidy handover, and suddenly you're the problem.
If that sounds familiar, you're not imagining the pressure. But here's the thing I wish someone had told me earlier: expired leave is not a virtue. It's just unpaid work with better PR.

No one at your company ever announced "please don't use your leave." They didn't have to. When every person above you takes a handful of days, the handful becomes the norm. Anyone who takes more stands out, and in a workplace where standing out feels risky, the safest move is to copy the people around you.
That's how a personal choice turns into a group expectation. Your manager letting his days expire is his business. The problem starts when his habit becomes the yardstick for your commitment.
And it's sticky. In my experience, many foreigners who arrive with a normal attitude toward vacations end up apologizing for taking a single Friday off after a couple of years. Nobody forced them. They just slowly adjusted to the room.

Here's where it helps to separate culture from law. Under Japan's Labor Standards Act, paid leave is your right, and since April 2019 employers have been required to make sure workers who get 10 or more days a year actually take at least five of them. The government had to step in precisely because so many people weren't using their days.
What about your manager saying he can "just say no"? In general, the law gives employers a right to ask you to move the dates, not cancel them, and only when your absence would genuinely disrupt normal business operations. "I'd prefer you stayed involved" is a preference, not that kind of disruption.
I'm not a lawyer, and every company's work rules are a little different, so check your own handbook, ask HR, or contact your local Labor Standards Inspection Office if something feels off. But knowing the basics changes how a comment in a meeting lands. It stops sounding like a verdict and starts sounding like an opinion.

Knowing your rights doesn't mean you should march in waving the Labor Standards Act. You still have to work with these people on Monday. A few things make leave much easier to take in a Japanese team:
Will this make everyone happy? Probably not. Some people will raise an eyebrow no matter how well you plan. Their eyebrow is not your job. Your job is to do your work well and hand it off properly.

Here's something I've noticed. The pressure hits hardest when work is the only place your social life happens. If your coworkers are also your only friends, your only Japanese conversation partners, and your only source of feedback on whether you're "doing Japan right," then their disapproval feels enormous.
When you have people outside the office, the same raised eyebrow shrinks to its real size. A friend who isn't in your company can say "four days off after parental leave? That's completely normal" and suddenly you remember what normal looks like.
You need a life outside your team. Not to escape work, but to keep your sense of perspective calibrated.
Paid leave only feels worth fighting for when you have something to spend it on. A weekend trip with friends, a language exchange café you've been meaning to try, a person in another city you've been chatting with for months.
That's where SewaYou comes in. It's a map-based friendship app that shows people nearby and anywhere in the world. You can meet locals and other foreigners around your neighborhood, explore another city or country from home, make online friends without any travel plans, or connect with people before a trip and meet up when you get there.
Imagine using your next four days off to finally meet someone you've been chatting with in Osaka, or to video call a new friend on the other side of the world without checking work email once. That's what those days are for.
Your coworkers can let their leave expire. You don’t have to. Taking the days you've earned, with good notice and a clean handover, isn't a lack of commitment. It's what the system was designed for.
So book the days. Write the handover. And fill your time off with people who remind you there's more to life here than the office. Download SewaYou and start building that life today.