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?