Because his father had been disowned, Aoi met his grandfather for the first time. Overjoyed to see his grandson's face, Aoi offered to take care of him. However, Aoi experienced abnormal sexual tendencies for the first time while spending time with an elderly person! Accepting his grandfather's lewd demands, they entwined their tongues in chewing and kissing across generations. He even performed devoted fellatio and had bare intercourse like lovers…
