A female science student working as a researcher, Akane Oto (34 years old), makes her AV debut to explore the truth of sex! This beautiful and intelligent married woman, who has been devoted to research, takes her first bold step in life. Her seductive gaze, which she usually doesn't show, and her raw instincts begin to seek intercourse... As they slowly place their lips together, her breathing gradually becomes sweet and disordered as she kisses him for the first time in a long time. When she sees his big cock, she has an ecstatic expression on her face, and caresses him carefully with her tongue. Although she is shy, she shows a mixture of surprise and joy at the insertion after a long time. The rational girl exposes her hairy pussy and shakes her hips boldly, which makes the male actor excited. After receiving a hard piston, she accepts the thick sperm that is released with force with her whole body. She is enveloped in a 'sense of fulfillment' that she has never had in her research or at home, and experiences unprecedented pleasure and happiness. Science-loving married woman Akane Oto unleashes her hidden sexual desires to the fullest!