本が好きすぎて「理想の女性像」を押し付ける兄や姉の逃れるために、声を出さないとウソをついてしまうアルティナだが、そのウソがすぐに図書館の司書長のシジャルにバレてしまい――? 本好き令嬢のウソから始まる「秘密」の恋――。 Altina who’s fond of books starts pretending to be a mute in order to escape the imposed image of her as a “perfect lady” role that’s set-up by her older brother and older sisters. However, that being said, that pretend act will soon be discovered by no other than the head librarian, sir Shijar himself?!