侯爵千金艾麗亞娜自幼就癡迷於書籍,因而得到了“書蟲公主”這一外號。 面對這樣一位奇特的公主,王子克裡斯托弗表示想與她締結婚約。
如此,克裡斯托弗便能免於宮廷內部的派系之爭,而艾麗亞娜也能以王子未婚妻的名義自由出入王宮書庫。 這隻是一樁各取所需的「有名無實的婚約」...... 本應是如此。
四年後的某一天,艾麗亞娜親眼目睹了克裡斯托弗與子爵千金愛琳的親密交談。 艾麗亞娜意識到,婚約解除的那一天終於要來了。 然而萬千思緒卻湧上了她的心頭...... 在愛書千金的誤會式戀愛故事中,艾麗亞娜與克裡斯托弗間的“真正的戀情”將何去何從——
Elianna has been engaged to the Crown Prince for several years now, though it was largely convenience for both. She's mostly spent that time with her fascinated deep in the books of the Imperial Archives. Later, at last Eli definitely needs to step up and bring her courage a bit more to the show...