Mayo Hashimoto

Following the ascension to power of Taira no Kiyomori, the Minamoto clan is exiled. Minamoto no Yoritomo meets Masako, the sister of Hōjō Yoshitoki and later marries her. Following this marriage, the gears of Yoshitoki's destiny begin to turn.

In the early Showa era, Japan’s first women’s law school opens, and the protagonist, Inotsume Tomoko (Ito Sairi), gains nationwide attention as one of the first female lawyers in the country. However, after facing wartime Japan’s harsh realities and losing everything, she becomes a judge with her legal knowledge and dedicates herself to establishing the family court. She stands passionately for the hardships that politics and economics cannot solve.

Mitsuhashi Yukio is a passionate PR man for a sanitary product manufacturer. A single father, he is raising his two children, a daughter in high school and a son in middle school. His daughter, Hana, has mixed feelings about her father, who suddenly became popular on social media because of a menstruation PR video he did for his company. One day, Yukio says on a variety show that he knows his daughter’s menstrual cycle, which leads to Hana running away from home because of rumors popping up at school. Can he fix the relationship with his beloved daughter? How will the two overcome this hurdle?