Plaintiff in Sapporo same-sex marriage lawsuit appeals against second-instance judgment, denying compensation. This is the first time that a class action lawsuit filed nationwide has been appealed, and the Supreme Court's decision will be closely watched.

Six class action lawsuits have been filed in five locations nationwide: Sapporo, Tokyo, Nagoya, Osaka, and Fukuoka. First and second instance rulings so far have been ''unconstitutional'' in 3 cases, ▽ There are 3 cases that are ``unconstitutional,'' and 1 case that is ``constitutional,'' which does not violate the constitution.