Ei Banmaki had promised to go to an amusement park with her family, but the day before, her fuck buddy asked to meet. Torn between prioritizing time with her family or choosing to be with her lover, she was deeply moved when her husband whispered, "I can't wait... it has to be now." Ultimately, she lied to her family and decided to meet her fuck buddy. After her husband and son left for the amusement park, Ei welcomed her lover at home and, until the very last moment before her family returned, they passionately indulged in sex again and again, fulfilling their deepest desires.