Aruhi, Burikko Akuyaku Rejo ni Narimashite. 3 (Regina Books) [Light Novel]

[Machine Translation] Aimi is a high school girl who falls down the stairs and gets into the body of Camille, the villainous daughter of an Otome game. She was destined to be ruined in the original story. But as a result of her efforts, she has found happiness, marrying her childhood friend and mastering her favorite magic. However, there are some troubling developments going on around her, such as a revolution started by the heroine of a girl's game and a plot by the second prince of a neighboring country. Camille is wary of these developments, but one day, she is trapped and kidnapped by a neighboring country. Then, a magical accident suddenly sends her back to her own world...! The grand finale of this fantasy of switching places!

階段から落ちて、乙女ゲームの悪役令嬢カミーユの体に入り込んでしまった女子高生の愛美。彼女は、本来の物語では破滅する運命だった。だが努力の結果、幼馴染と結婚したり、大好きな魔法を極めたりと幸せを掴んでいる。しかし、乙女ゲームのヒロインが起こす革命や隣国の第二王子の陰謀など、周囲ではきな臭い動きが続いていた。それらを警戒していたカミーユだが、ある日、罠にはめられ隣国に攫われてしまう。その上、魔法の事故によって彼女は唐突に元の世界に戻って―!?入れ替わりファンタジー、大団円!