Kuizi

The MC accidentally entered a hidden boss lair when he was younger, and in the midst of corpses, he was found by the hidden boss and got adopted by him. The boss sees the MC as a toy at first, but as time goes by, looking at the interaction between the cruel boss and the young boy…they somehow seemed like a family?

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!