Since her husband died early, Kaoru has raised her daughter Nozomi single-handedly. One day, when she was relieved that her daughter had reached adulthood and that all that was left for her to do was to marry her. "I decided to live with her boyfriend." She suddenly hears Nozomi's confession, and Kaoru suggests that he let him live in her house until she saves money. . Kaoru, Nozomi, and her boyfriend, Takehiko, begin to live together, but one night, Kaoru accidentally sees Takehiko naked in the bathroom...
