Travelling Through the Universe's Flower is a Manga/Manhwa/Manhua in english language, Fantasy series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.nl fastest updating comic site. The Summary is

I'm a renowned genius in the History Department of my college, but I can't believe that I've travelled back in time into the body of a princess whose country was defeated in war! Was my being a genius in history all for nothing?! And not only am I stuck in the past, I'm having an arranged marriage with the Westerners as well! Moreover, I'm being married off to a country that runs of magic and has severe gender inequality issues. But don't you dare underestimate me! You're looking down on me, a princess of a defeated country? Well, I'll show you who's the real expert here!