"Sorry!" While staying over at a friend's house, Yamada accidentally saw his friend's mother, Ikka, changing clothes. Unable to forget the sight of a woman in her underwear for the first time, he spent a sleepless night. To cool off, Yamada left his room but found Ikka sleeping on the sofa. From under the flipped-up skirt, a protruding cock was visible. Unable to contain his excitement, Yamada took advantage of Ikka sleeping and used the exposed cock as an appetizer, but when Ikka woke up, she forced him into a relationship instead...
