three pairs of parents and children... ■Tokyo Maternal and Child Intercourses; Mother Kamigyo Monogatari (The Tale of Kyoto), Aoi no Shichi
This is the seventh episode of a story about incest with parents and children who have been weaved by their sons living in Tokyo and their mothers who came to Kyoto worrying about them. She sucks her nipples as if breastfeeding, and accepts her son's greed with maternal love.