"The Sugimoto family, which was a samurai family, has a history of strengthening women's ties and protecting the family for generations in order to protect the disorder of the genealogy and the leadership of the succession... In the Sugimoto family, the formal head of the family is the male. The continuation of the genealogy is only a seed, and the mother-in-law and the daughter-in-law connect... The ceremony that is secretly performed so that the husband does not know at the same time becomes our own misogi and also confirms the reproductive function. This is... me and Riho's first night..."
