Nokori Ichinichi de Hametsu Flag Zenbu Heshiorimasu: Zamaa RTA Kiroku 24Hr.

Alexandra is the duchess of the Kingdom of Tarraconensis. It was only the day before the absolution event that she realized that she was the villainous daughter of an otome game! It's clear that she'll be denounced and her engagement will be broken tomorrow. But I don't want to be condemned honestly! I'd rather show my eyes to the people who despised me! With only 24 hours left, Alexandra begins to make a breakthrough in her desperate situation.

(Source: Kadokawa, translated)