O Taishi Ni Konyaku Haki Saretanode, Mo Baka No Furi Ha Yameyo to Omoimasu 3 (Avarusukomikkusu)

[Machine Translation] Olivia and her friends, who are searching for the truth about a diplomatic issue, are in the midst of a devil's task..! Olivia Atoire, a duchess, is told that her engagement has been broken off by the Dauphin Alain, and then suddenly she is proposed to by the second prince, Silas, who appears in a dashing manner. Olivia and her friends attend a reception for the Dauphin and his wife from the neighboring country of Philalouche, and are consulted by the Dauphin Edouard about their country's financial problems. However, the content of the consultation leads to a diplomatic problem with Briol. ......... This is the third volume of the romantic love story of a genius daughter who is inexperienced in love and a prince who wants to make his long-time love come true.

外交問題の真相を探るオリヴィア達に魔の手が迫る──！公爵令嬢オリヴィア・アトワールは王太子アランに婚約破棄を告げられた後、そこに颯爽と現れた第二王子サイラスに突然求婚される。隣国フィラルーシュの王太子夫妻の歓迎会に出席したオリヴィア達は王太子エドワールから自国の財政問題について相談を受ける。しかし、その内容はブリオールとの外交問題につながるもので……… 恋に不慣れな天才令嬢と長年の恋を実らせたい王子のロマンチックラブストーリー、第3巻