There is no Sejong in my Joseon Dynasty

I opened my eyes to find myself in medieval Korea—as the king’s eldest son and crown prince. My fate was already written: I would be stripped of my position, and the throne would eventually pass to my younger brother—the man destined to become one of the greatest kings in Korean history. But I remember my past life. And I know the future. Everything my brother was destined to accomplish for this kingdom, I’ll accomplish first. “Sorry, little brother. There will be no Great King in my kingdom.”