Growing the Seed of Evil

Astraea, the strongest swordswoman in the world. One day, she realizes that she has reincarnated as a character inside a novel. And that role is the one who gets killed by the Evil God, the final boss... During a mountain hike, she saves a child from assailants, only to learn that this very child is destined to become the Evil God. *"Well then, since it’s come to this, how about I raise him properly and reform him?"* So she takes the child in and begins to raise him. But then... *"Rea. Where are you going? Are you meeting that guy again?"* The boy has grown into an obsessive man who follows her everywhere, watching her every move. Somehow... it feels like she raised him the wrong way. (Source: Kakaopage, translated)