During the Obon holiday, Nanami returned to her husband's hometown. Her husband, Takaya, had been a childhood friend since their student days, and his father, Tooru, who is now her father-in-law, had also been close to her for years. Tooru was always kind, reliable, and an object of admiration for Nanami. As she grew older, these feelings turned into romantic affection. When Takaya was delayed in returning home due to work, Nanami found herself alone with Tooru and could no longer suppress her desires, seducing her supposed father-in-law with her lewd breasts...
