The Emperor, A Thousand Years Younger Than Me, Is Obsessed

A thousand-year plan was ruined by a beautiful boy raised in the forest. In the end, Ariel abandoned the boy. 10 years later. That same boy, Cedric, who harbored a grudge for being abandoned, invades the forest. And Cedric, in the midst of the blazing fire that burns the forest, "Let's get married, Ariel." He proposed. Ariel, age-1000+ , occupation-great wizard. I guess... I need to rewrite my life plan?!