Go to Sushiro, and there is the best 100 yen sushi shop there. Also, I recommend you to go to Nabe, Tabehoudai especially. Tabehoudai means like all you can eat, and you will eat a lot. It's really good. I recommend you to eat okonomiyaki there. There's like several kinds of okonomiyaki, so try that, and then you can try it on your apartment too.
Vending machines are everywhere in Japan. In summer they have cold drinks, water, different juices, but in winter they switch half of their selection to hot drinks. So you can get a hot chocolate or hot corn soup in a can or red bean soup, it depends on the company. And they're everywhere in the middle of nowhere in a field there will be a vending machine.
A konbini is your best friend. A konbini is a convenience store. So 7-11, Lawson's, Mini Stop is another one, Family Mart. They're the big konbini in Japan. A konbini, they are everywhere. They have a really nice toilet. If you need a toilet, go to a konbini. You can get hot food, hot drinks, cold food, cold drinks. You can have an obento, so like a bento lunch. If you need some food, if you want a snack, they have dumplings, nikuman, or pizza-man. They're very good. At some of them, you can get ice cream if you're hot. Ice cream's good. Konbini, they're open 24-7. They're literally everywhere. So have fun with that.
You got to go to Skia, get the king-size. It's called gyudon, which is just pork or beef strips on rice, and it's just so good. It is just unreal. And the king-size is just, it's not even on the menu, only Americans would get it probably, but it's just a super huge bowl. It's so good.
My two favorite sushi places in Japan are Matsuriya and Toriton. And so there's a Matsuriya in, there's two Matsuriyas in Sapporo, two in Obihiro, and two in Kushiro. I don't know if there's any other there. But there's Toriton in Kitami, and in, I think there's one in Obihiro, and there's a few in Sapporo. So if you're ever in those areas that have like those restaurants, then go to those restaurants and frequent them because I did a lot and it was amazing.
If you end up in Okazaki, there are lots of Brazilians in Okazaki and close to the E.ON mall, that's the big shopping mall in Okazaki, there is a little Brazilian store called Coco's and you can get things like pasta and flour in bulk. It's very difficult to get large quantities of those things in Japan and also a lot of more Western or more interesting foods that you might not have tried before. They also have really good, a little Brazilian, I don't know what they are, they're called coxinha, they're really good, it's like chicken and cheese inside this little fried thing, you can get them there as well. It's just opposite the E.ON mall, yeah it's really really good.