Makoto Himemiya" is confessed to her childhood friend "Kaoru". With her first kiss, she was so happy that she just kissed her thickly. She had a strong libido and was very interested in her naughty things. She spends her days diverging by indulging in masturbation while watching a naughty video rather than suppressing it. "I know what kind of woman you are." Her brother-in-law was seeing such a true situation ...!?