New Testament: A Certain Magical Index (Shinyaku To Aru Majutsu no Index) 12 (Dengeki Bunko) [Light Novel]

[Machine Translation] Kamijo Touma protected Othinus from the whole world. After losing the power of the "Demon God," she became a little fairy and took up residence in Kamijo's house. Yes, Kamijo has regained her "everyday life. However. A new threat soon came. -The "Demon God" is on the move. -Saint Germain. That's the name of the one who gets everything. Kamijo and St. Germain meet in a huge commercial complex in the school city. Caught up in the worst of the situation are the "Item" people who are shopping, Hamamai Shinjo, and Etsu Aika, the 6th ranked psychic in the school city, who is a confusing mixture. The clash begins.

上条当麻は、全世界からオティヌスを守った。『魔神』の力を失った彼女は、小さな妖精さんとなり上条家の居候となる。そう、上条は『日常』を取り戻したのだ。しかし。新たな脅威は、すぐに来た。―『魔神』が動くぞ。―サンジェルマン。それが全てを手に入れる者の名だ。学園都市の巨大複合商業ビルにて、上条とサンジェルマンは、相まみえる。そんな最悪の状況に巻き込まれたのは、買い物中の『アイテム』の面々、浜面仕上、そして学園都市第六位の超能力者・藍花悦―の紛い物。激突が、始まる。