Kirk here. The couple holding the banner on the right side of the photo are from Kumamoto. Before the verdict was rendered they held a press conference here. That covered in English as far as I know but here’s a link to a Japan-language video:
https://www3.nhk.or.jp/lnews/kumamoto/20230526/5000019122.html
https://time.com/6286070/japan-same-sex-marriage-ruling-unconstitutional/
