He's an old man, but he's still a man. His cock feels the charm of a woman in the bodies of his granddaughter and her friend, and he gets aroused, bringing back his youth. The girls get excited when they receive pocket money from such an old man, and let him touch their bodies. The old man, who is happy to see a woman's body for the first time in a long time, licks her body, and when he attacks her undeveloped pussy, she reacts sensitively... Her flat body becomes addicted to persistent sex, as she feels too much.