In this May 7, 2017, file photo, participants pose on a float before the Tokyo Rainbow Pride parade celebrating the lesbian, gay, bisexual, and transgender (LGBT) community in Tokyo. Thirteen same-sex couples are filing Japan’s first lawsuits challenging the constitutionality of the country’s rejection of same-sex marriage on Valentine Day, Thursday, Feb. 14, 2019 in Tokyo. (Photo by Shizuo Kambayashi/AP Photo)
