Eroge no Yujin Chara ni Tenseishita Kedo, Game Chishiki Tukatte Jiyu ni Ikiru 7 (Kadokawa Sneaker Bunko) [Light Novel]

[Machine Translation] Marino Hanaura receives a request for help from Amaterasu Girls' Academy. The request is to solve a "magical terror incident" in which female students are being drained of their magical powers one after another. ... So, Kou-chan. I'd like you to become a woman and investigate this case. After being transformed into a woman by angelic magic, Takine begins her new life in a women's dormitory where ladies live. She pursues a case with Christine, a candidate for the next student council president, while taking part in erotic events unique to women's schools, but behind the scenes, there is an unprecedented crisis looming that exceeds Takiine's expectations as an experienced player...? Become a girl and save the world in this undercover mission to the girl's school!

花邑毬乃はアマテラス女学園より救援要請を受ける。何でも女生徒が次々と魔力を抜かれるという“魔法テロ事件”が起こっており、これを解決して欲しいという依頼のようで―。「...という訳でコウちゃん。“女性”になってこの事件を調査してきてもらえるかしら」「ゑっ!?」天使の秘術で女体化した瀧音は淑女達が暮らす女子寮で新生活を始めていく。女学園特有のエロゲイベントを横目に次期生徒会長候補・クリスティーネと事件を追っていくのだが、裏では既プレイである瀧音の予想を上回る未曾有の危機が迫っていて...!?オンナのコになって世界を救え、女学園潜入ミッション編!