Am I a Man or a Woman?

Mr. Kinpachi in Class 3B – Season 6

One morning, on his way to school, Tadashi finds Mr. Inui's wife Eiko doubled-over on the road. She is about to have her baby. With the help of people nearby, Tadashi manages to get her to the hospital in time. The kids at school excitedly talk about the baby, but Nao attacks Mitsuhiro for speaking like a girl. Meanwhile, Kosaku is allowed a visit home.