https://www.reuters.com/world/asia-pacific/japan-high-court-says-not-allowing-same-sex-marriage-is-unconstitutional-media-2024-03-14/
"A high court in Japan on Thursday said the country's ban on same-sex marriage was unconstitutional"

"polls show 70% public support for same-sex unions"

"The plaintiffs are considering appealing to the Supreme Court to clarify the unconstitutionality of existing law, lawyer Fumiyasu Tsunamori told a news briefing."