It is said that Japanese bento are very popular all around the world. Bento, which have a full course meal in a small box, accurately symbolize Japan. Bento such as convenience store bento, train station bento, airport bento, and high-quality department store bento are Japanese culture itself. Japanese bento boxes that are sold online are very popular in the West. We investigate various cools surrounding Japanese bento, such as homemade bento nowadays, a bento catering store with an astonishing disposal rate of less than 0.1% while selling 60,000 meals in a day, and a French person who was fascinated by the appeals of bento boxes