The story of a certain son. Tatsuo, who goes to a university in the Tokyo metropolitan area and lives alone, was enjoying his student life there. Soon enough, he also got himself a girlfriend. However, despite this, he was secretly homesick due to it being his first time living alone. It was only after leaving home that he truly appreciated his mother's greatness, and he lived his life cherishing these feelings. Then, when she said she wanted to see old photos, he had a reason to go back to his hometown. And so, when he returned home with her, he found himself captivated by an allure of his mother, Asamiya Ryoko, that he had never noticed before. It was because she exuded a feminine charm that was incomparable to hers, driving him to madness...
