Misora, who is ignored by her husband, has a young and beautiful body that she doesn't know what to do with. She dotes on her father-in-law and takes care of him to ease her loneliness. She is a brave daughter-in-law who buys clothes that suit her father-in-law at the department store where she works. One day, when he stands up to relieve himself, he wets himself. Misora ​​gently wipes her father-in-law's penis, who is ashamed of his pathetic appearance, saying, "Age is no match for you...", and even begins to lick it carefully with her mouth. The frustrated daughter-in-law can no longer suppress her desire even for her father-in-law's aged penis. Excited by her appearance, her father-in-law regains his masculine desire that had almost withered.