Mother Hana had been happy thinking about her daughter starting a new life after marriage, but shortly afterward, her husband passed away. Although she found comfort living with her daughter and son-in-law, deep down, her desires as a woman never faded. Seeing her daughter being passionately loved every night, Hana grew increasingly lonely, often resorting to self-pleasure to cope—yet the emptiness inside her remained. Then one day, she found her attention unexpectedly drawn to her son-in-law, Noriaki. Her body instinctively responded, arousal building uncontrollably as overwhelming emotions took hold.