After graduating from a magic academy, 10-year-old genius Negi Springfield is assigned to a Japanese school as an English teacher for practical training.
At the IS Academy students are training to become pilots for the Infinite Stratos weapon system. It so happens that this system can only be operated by females, with the exception of Orimura Ichika.
Eriko and her friends have enrolled at an all-girls high school. Classes, cliques, and even sex… nothing is avoided when high school girls are let loose!
For three years Akira has been saving up for a computer. Akira buys the computer from a shady man in an alley. Upon opening the box he finds a super advanced biomechanical computer girl named Mimi.