If you ever go to Japan, then you might have an understanding of food in Japan. Convenience stores in Japan not only sell cheap food but also have good quality and taste. Here I will share the names of some famous foods from 7-Eleven store of Japan;
Onigiri
Egg Sandwich
Yakisoba Bun
Bento Sets
Instant Lppudo Ramen
Fried Karage
Coffee Cream Tea
Mochifuwa Pancake

https://www.klook.com/blog/7-eleven-food-japan/