Mitsuko Yagyu (also nicknamed Jubei after the Ninja) is a chick from the Go Nagai manga Harenchi Gakuen and she is cute and strong. In Harenchi Gakuen she meets Yasohachi Yamagishi and his homie and is seen as cute by them. She is skilled in martial arts and is compared to the historical figure Jubei and saves the heroes from some punks who wanna chop em up on their sword. Harenchi Gakuen is the titular elementary school whose teachers and students are all perverts.