Nagiko Houjou

北条 凪子

Kuniko's grandmother, the head of Metal Age. She places a firm emphasis on learning and is much sterner and more reserved than Kuniko is. She wants Kuniko to become the next leader of Metal Age, but Kuniko does not want to be. She also disagrees with using the internet for information, and gets her knowledge from the many books she has. (Source: Wikipedia)