Yasomagatsuhi-no-kami is a Shinto deity mentioned in Japanese mythological texts such as the Kojiki, born from the impurity (kegare) that Izanagi accumulated while visiting the land of Yomi (the underworld) after the death of Izanami. This deity is associated with the manifestation of pollution, misfortune, and calamity that arises from contact with impurity, forming part of a group of deities linked to purification narratives. In tradition, Yasomagatsuhi-no-kami is often invoked or referenced in the context of purification (misogi) rites intended to address the impurities that such deities represent.