Aria, a young lady of an unremarkable noble house, was a high school student in her previous life. She was roped into attending a marriage interview with Prince Eugene, who's rumored to be an oddball, and it’s during this meeting that he suddenly makes a ridiculous claim — that he was Oda Nobunaga in his past life!! Well, that explains why the Prince still has yet to find a partner. However, Aria calmly accepts Eugene’s tall tale, which inevitably piques his curiosity… That won’t do! What if he finds out that I, too, have memories from my past life?! Thus begins Aria’s days of being aggressively courted by the world’s most powerful prince who’s capable of unifying entire nations! 平凡な貴族令嬢に転生した、元・女子高生のアリア。 変わり者と噂の王子・ユージィンとのお見合いで、 彼はいきなり「自分は元・織田信長だ」と発言！！ お相手が決まらないのはこのせいかと思わず納得するが、 おかしな話を素直に受けいれた彼女にユージィンは興味津々で…！？ 天下も獲れる最強王子による強烈アプローチの日々がはじまる！