In the summer of my third year of university, my mother asked me to take a vacation because she was worried about me being too busy studying, so I ended up staying at my uncle's house in the countryside for a week. - In the countryside, I was greeted by my uncle, who was responsible for my husband's house, and Rinko, who was chaste, and I felt nostalgic for the two of them, who had never changed. - A few days later, Ririko, who was supposed to be chaste, was having a secret meeting with a man at the front door. - There was Ririko, who managed the man in an overwhelming master-servant relationship. - That night, when I was stunned to see her appearance 180 degrees different from her usual appearance, she asked me to tell her a secret...