Erika Yamamoto, a popular Japanese news anchor, has publicly joined the ranks of well-known figures opting for de facto marriages. The term refers to couples that live together without being legally wed, an arrangement growing in popularity within Japan's urban centers. The announcement adds Yamamoto's name to an increasing list of celebrities challenging the conventional understandings of marriage in Japan.

In Japan, marriage is traditionally highly valued, and the concept of de facto marriages are only recently gaining recognition. Celebrities like Erika Yamamoto openly choosing these arrangements reflects a shift in societal norms. It is seen as a testament to the evolving cultural landscape and the increasing acceptance of non-traditional relationship structures in Japan.

In comparison to the US or EU, Japan has been relatively conservative when it comes to marital conventions. The trend of cohabitation without legal marriage, already quite prevalent in western countries, is only just beginning to rise in Japan.