The woman applied for recognition as a parent of two daughters at a local government after switching from male to female in 2018 between the two births but was rejected. The family then sought a legal remedy, filing a lawsuit with a Tokyo Family Court in 2021, but the court did not recognize the woman as a parent for both daughters. Japan does not recognize same-sex marriage. The country's law on gender dysphoria requires surgery to remove a person's reproductive capabilities to register a gender change, but a top court decision in 2023 said that was unconstitutional.