"No legal recognition of same-sex relationships on any government level (symbolic partnership certificates offered by some jurisdictions)" . . "Japan currently does not" . "Recognition of same-sex unions in Japan" . "same-sex partnerships" . "Japan" . "same-sex marriage" . . "cannot marry his partner Yoshi" . "adopting Yoshi as his heir" . . "marry when they turn twenty" . . . "Recognition of same-sex unions in Japan" . . . "partnership certificates" . "Gunma Prefecture" . . "partnership certificate" .