Every trip to Japan involves at least one late-night konbini run that turns into forty minutes of genuine deliberation. This is not a problem. This is the point.
The word konbini — convenience store — undersells what these places actually are. Lawson, FamilyMart, and 7-Eleven Japan are open twenty-four hours, on every other corner in every city, and stocked with a level of quality and variety that would embarrass most supermarkets back home. They're where you buy train tickets, pay bills, collect parcels, eat breakfast, and frequently dinner. They are the infrastructure of daily life in Japan, not a petrol station snack stop.
The Food
The food is the thing. The onigiri — rice balls wrapped in seaweed, filled with salmon, tuna mayo, pickled plum, or cod roe — are made fresh throughout the day and cost around 150 yen each. The packaging uses a three-section sleeve so the seaweed stays crisp until the moment you open it, a small piece of engineering that nobody outside Japan has bothered to copy. The sandwiches, the egg salad in particular, have a cult following among travellers and deserve it.
Then there's the hot case by the register. Nikuman — steamed pork buns — sit in a cabinet at the perfect temperature, thick-skinned and filled with a dense, slightly sweet pork mixture. Karaage chicken. Steamed rice with various toppings. Fish cakes. At a good Lawson the hot case smells like a restaurant. You stop intending to just grab a drink and you leave with an armful of things.
The Haul
On the 2024 trip we did a full konbini run on the second night — the kind where you buy too much because you want to try everything and end up with it spread across the hotel floor. The photo above is what ¥4,000 gets you: a packet of thinly sliced A5 wagyu from the chilled counter (a supermarket section that most konbinis now carry), two cans of Kirin Ichiban, a Suntory all-free, nikuman, onigiri, a small tub of edamame, and a pack of gyoza.
The wagyu was better than it had any right to be from a convenience store. We cooked it on the portable grill we'd bought at Don Quijote for exactly this purpose. It lasted about four minutes before it was gone and we immediately wished we'd bought two packets.
What to Buy
The consensus list after multiple trips: egg salad sandwich from FamilyMart, tuna mayo onigiri from 7-Eleven, nikuman whenever the hot case is fresh, any of the premium-tier chilled desserts (the roll cakes and Mont Blanc puddings are genuinely excellent), and the strong zero chu-hi cans at the back of the drinks fridge. The coffee machines at 7-Eleven and Lawson make a reasonable espresso for about ¥100.
Avoid: the pasta dishes, which are fine but are the most Western-influenced thing in the store and therefore the least interesting. The salads are good in a pinch but not what the konbini does best.
Build in a konbini run on every trip. Not as a fallback when nothing else works, but as an intentional meal. Get the things from the hot case, get an onigiri, get a cold beer. Find a park or a river bank. It's one of the better cheap meals Japan offers.