“Girls” centers on the lives of four attractive women, exploring the challenges they face in their romantic relationships and careers. Yukiko Takigawa, portrayed by Karina, is employed at a major advertising agency and is in a relationship with a handsome man. Seiko Takeda is in a childless marriage and works for a prominent real estate firm. Yoko Kosaka is an unmarried woman employed at a long-established stationery company. Takako Hirai is a single mother working for an automobile manufacturer.