Sasha and Hana are sent by Athos to infiltrate a highly-advanced all-girls school called the "Roman Curia Suirei Academy" in order to find "The Magdala of Thunder," one of the five known High Ancient Elemental Circuits. This being Qwaser, lots of breast-sucking ensues as Sasha works his way through the student body to find said Circuit.

However, Sasha has to deal with a brand new class while disguising himself as a girl. On top of that, the Adepts are lurking in the background and making their own plans.

下落不明的上古回路之一「雷之携香女」就藏在私立女校「翠玲学园」里。获得这项情报的沙夏奉「圣山」的密令，带著前不久成为自己新搭档的华，乔装为女性潜入学园。透过华的协助，沙夏逐一调查学园内学生的圣乳。然而在任务的途中，姐妹会的会长濑田深雪，向沙夏提出了决斗的要求。

行方不明のハイエンシェント・サーキット「雷のマグダラ」。このサーキットの行方を探るべく新たに華とパートナーとなったサーシャは、私立女子校「翠玲学園」へと女装して潜入する。華の手引きにより、女生徒のソーマを調べ始めるサーシャ。だがソロリティの会長、瀬田深雪がサーシャに疑いを抱き、決闘を申し込む。