GG-137 Incest between busty American mother and Japanese son

Yusuke lost his mother when he was little, but his father remarried and he now has an American mother. One day, his father goes out and he is left alone with his mother at home. Yusuke is reading a book, but his heart starts beating fast when he sees his glamorous mother cooking in the kitchen. Yusuke's interest in sex is beginning to awaken, and he gradually becomes unable to contain himself and approaches his mother. His mother then takes Yusuke's hand and begins to gently teach him about sex, guiding him into the adult world.