The Tokyo High Court ruled that the ban on same-sex marriage is unconstitutional, marking the second such ruling at the high court level. This decision intensified pressure on the government to legalize same-sex unions. Simultaneously, the UN Committee urged Japan to allow separate surnames for married couples, prompting a strong protest from the Japanese government. Political maneuvering continued as the Liberal Democratic Party and the Democratic Party for the People planned a secretary-general meeting to discuss economic measures. The opposition parties explored potential alliances for the upcoming prime minister nomination. In international news, concerns arose about North Korea's potential nuclear test in November. The day concluded with reports of Shigeru Ishiba emerging as a likely candidate for prime minister nomination.