Nao, who is not interested in fashion and always wears plain clothes, is invited by a hairdresser Ashida to a cut model on the way home from shopping. Furthermore, when she was introduced to a certain job by him ... Nao, who was ignorant of sex even after marriage, followed the hotel with interest, but he could not refuse his brute force approach and had a physical relationship. With that as a trigger, her ordinary daily life gradually changed. One day, Nao, who was called by Ashida, was suddenly introduced to a new customer ...