I Plan to Raise the Villain Who Killed Me

I died at the hands of a villain, unable to save a world on the brink of destruction. Then, I traveled back 15 years, encountering the villain as a child. Shouldn't I kill him in advance, now that I've regressed, to prevent the world's demise? No? Why would I?! This goddamn world deserves to be destroyed. Maybe if I raise him well from a young age, he'll bring about an even more magnificent destruction? Let's raise a baby villain with love! "I'm going to live with Hyung forever." But why...? "That's all I want. You too, right, Hyung?" Has the madness that should have been directed at the world exploded in a strange direction...? "You have to, Hyung." The hand that grips my chin forces my ...