Priscilla, the daughter of a duke who was raised as the fiancée of Fred, the Crown Prince of the Kingdom of Milleia. Priscilla worked hard every day to become a splendid Crown Princess, but on the day of her unveiling, he unexpectedly disappeared! It was the second prince, Dill, who followed. In fact, Dill was Priscilla's first love when she refused to confess her feelings to him when she was young. Priscilla could not hide her bewilderment from Dill, who occasionally whispered sweet words to her. Meanwhile, rumors spread within the royal palace that Fred's disappearance was the result of a conspiracy, and that Dill was the mastermind...!? ミレイア王国の王太子・フレッドの許嫁として育てられた公爵令嬢のプリシラ。 立派な王太子妃となるよう日々励んできたプリシラだったが、迎えたお披露目当日に彼がまさかの失踪!? 代わりに次期国王の座につき、夫となったのは黒い噂が付き纏う第二王子・ディルだった。 実はディルはプリシラが幼い頃に想いを寄せていたものの、告白を断られてしまった初恋相手。 「この結婚は形だけのものだ」と冷たく突き放してきたと思えば、時折甘い言葉を囁くディルに戸惑いを隠せないプリシラ。 そんな中、王宮内ではフレッド失踪は陰謀によるもので、ディルが黒幕だという噂が広まって――!?