These images are symbols of the people who oppose Japanese_Emperor's system. 
Haruno Akiha made this image based on Image:Imperial_Seal_of_Japan.svg. 
この画像は日本の天皇制に反対する人たちのシンボルです。

この画像はHaruno AkihaがImage:Imperial_Seal_of_Japan.svgを元にして作りました。
No machine-readable source provided. Own work assumed (based on copyright claims).
No machine-readable author provided. Haruno Akiha~commonswiki assumed (based on copyright claims).