Thunder Girl!

is a Japanese light novel series written by Suzu Suzuki, with illustrations by Yu Katase. The series began publication on July 10, 2005 by ASCII Media Works under their Dengeki Bunko publishing imprint.

Synopsis
Gozadai, a town that retains old traditions. When the blonde transfer student, Mei Kamino, touched a mysterious rock, she was possessed by the "Tentama" with the power of lightning! Mei, who wants to be an ordinary high school student, rejects that power, but the power of "Tentama" invites turmoil ... Draw the days of battle between "Tentama" with various abilities and high school students who make full use of it!