Ohaguro is a Japanese aristocratic term pertaining to the custom of dyeing one’s teeth black. This custom existed from ancient times and was seen as beautiful. It was also a symbol of wealth and maturity among women until the end of the Meiji period
In Japanese mythology, Izanami-no-Mikoto, meaning "she who invites" is a Goddess of both Creation and Death, as well as the former wife of the God Izanagi-no-Mikoto. She is also referred to as Izanami-no-kami.