There is a convenient card called Suica in Japan. 
With it in the case, you can settle automatically automatically by touching the reading unit, and you can pass through the ticket gate. It was Suica that was born as an IC ticket, but it became available for shopping at the station before it became available, and even it became available for shopping at convenience stores in the city, for example.
Today’s lunch box is this.
Today’s lunch box is this.
There are Umeboshi, chicken and egg yaki, and tomatoes. nice!