One night, director Y received an unexpected DM on social media from an unknown account. The message read, "Would you sleep with my wife?" The sender was a 30-year-old office worker. Her husband was a 50-year-old salaryman, and they lived in Urayasu City, Chiba Prefecture. Though initially stunned by the unusual request, director Y found himself drawn to the woman's allure. A mysterious invitation hidden within the mundane slowly set a new story into motion.