Shiganai Tensei Reijou wa Heion ni Kurashitai

Aria is a former high school girl who has been reborn as an ordinary aristocratic daughter. She is matched for an arranged marriage with Eugene, a prince who is rumored to be eccentric. He suddenly told her that he is the reincarnation of Nobunaga Oda! She realized that this is the reason why he couldn't find a suitable marriage partner. Eugene is intrigued by her acceptance of his crazy story... "I can't let him know that I also have a previous life!" The days of intense courtship by the strongest prince who can win a kingdom is about to begin! (Source: B's Log Comics, translated)