Haruna, a mother, sighs as she struggles to manage the household finances. Although her husband works late into the night, their difficult life remains unchanged, and the distance between her and her husband has grown... One day, Haruna decides to cut back on her son Hiroshi's allowance, but her son is vehemently opposed to it. When she confronts Hiroshi, who seems to be acting strangely, she finds out that he's been buying pornographic books...