Several months have passed since my mother gave up on my father and left home. My father, who thought it was bad for a male family to do housework, suggested hiring a housekeeper. A few days later, Maiko is dispatched from the Housekeeper Center. Siblings Natsuo and Shun couldn't hide their excitement at Maiko, who was full of motherhood and had sex appeal. One day, when Shun shows something nice to him from his older brother Natsuo, he is taken out to the living room where his father and Maiko are. And perhaps the sight of Maiko serving her father jumped into my eyes...