There is a big table on the first floor. Rice will be sold after eleven noon. You can buy it there or not. There are no restrictions on the first floor. Just don't disturb others. The air-conditioned room on the second floor and the reading room where books can be borrowed and read directly are not allowed to bring food. If you have a library card, you don't have to spend money to enter the reading room. For self-study, there is an air-conditioned room on the second floor, except for all the restrictions on the first floor. You have to pay. You don't have to pay to go out or in. The toilets are all outside, and there is a snack bar around the corner. It should be possible to get an account.