Nomikai
Nomikai is the Japanese drinking party. Usually with coworkers, sometimes with friends, almost always at an izakaya. It starts at seven or eight. It ends when the last train leaves, or when somebody falls asleep on the table, or when the boss says it is over. Usually all three at once.
The nomikai has a structure. It is not the loose, informal thing it looks like from the outside. There is a first party. There is often a second party — nijikai — at a different bar. Sometimes a third — sanjikai. If you are still drinking at four in the morning and somebody says let's go to karaoke, that is the fourth.
The alcohol changes: beer first, then sake or shochu or highballs, then whatever the bar has. The first round is usually beer. Nobody asks what you want. Beer is the default.
You do not pour your own
This is the rule that everyone gets wrong when they visit Japan. You do not pour your own drink. You pour for the person next to you. They pour for you. You pour for the person on your other side. The whole table is pouring for each other, constantly, and the glasses are never empty.
If your glass is empty and nobody has noticed, you do not fill it yourself. You wait. Someone will notice. If you fill your own, you are saying: I am alone here. That is not a thing you say at a nomikai.
The other rule: you do not drink until everyone has a glass. Kanpai happens once, at the beginning. The whole table raises glasses. Everyone says kanpai. Then the drinking can start.
The hierarchy
Nomikai is not a flat structure. The junior person pours for the senior. The senior pours for the more senior. The newest employee is expected to be at the table earliest and to leave it last. If the boss is drinking sake, you are drinking sake. If the boss is drinking beer, you are drinking beer. This is not fear. It is ritual.
The flip side — and this is the part foreigners miss — is that once the ritual has been observed, the hierarchy loosens. By the second hour, the boss is telling you about his divorce. By the third hour, someone is singing. By the fourth hour, everyone is equal, because everyone is drunk, and the rules are behind them.
The food
Otsumami. The small plates. Edamame. Karaage. Grilled fish. Pickles. Yakitori. You do not drink on an empty stomach. The food is not an accompaniment. It is part of the ritual. You order more when the food is gone. You do not let the table go empty.
So what
The Japanese drinking ritual is not about the alcohol. The alcohol is the occasion. The point is the structure — the pouring, the waiting, the noticing. In a country where people are famously reserved, the nomikai is where they say the things they cannot say sober. It is the pressure valve. It is where the emotions live.
If you ever get invited to a nomikai, do not pour your own drink. Wait. Watch. When someone's glass is empty, fill it. Do not fill your own. Let them fill yours.
That is the whole thing. That is the entire Japanese drinking culture in three sentences.