ARISA Changeling

is a Japanese light novel series written by Yuji Nakazato, with illustrations by Umekichi. The series began publication on November 10, 2007 by ASCII Media Works under their Dengeki Bunko publishing imprint.

Synopsis
Shinya Kohinata has transferred to Akatsuki Gakuen High School, a prestigious private school that trains human resources who will carry the future of Japan. It was a battlefield where students with supernatural abilities were dying. Arisa Minazuki, one of the talented people, tries to stop the fight, but is wrapped in flames in front of Shinya and burned to death. Shinya appeals the case to the police, but Arisa's corpse has disappeared before she knows it. And Arisa appears in front of Shinya who follows the truth of the case. Why is she supposed to be dead? What is the true identity of "Arisa" that appears? What is the truth of mysterious power? What is the terrifying truth that Shinya who pursues the mystery has arrived at?