These are two Japanese flags, which are crossed. It is a white flag with a red solid circle in the middle. This emoji is usually combined with other symbols to represent the legal holidays in Japan, such as Arbor Day, Boys' Day and Daughter's Day.
The flagpole of the flag varies from platform to platform, and the color is divided into black, gray and silvery white; In terms of angle, some platforms cross at a larger angle, while some platforms show that flagpoles cross at a smaller angle. In addition, some platforms add black frames at the edge of flags, which makes them more conspicuous.