Harry Potter derivatives, HPSS, post-war literature
The divine heir chosen by God came to this world by accident and inherited the great power of God and its two fathers. The strong desire to survive directly led to the resurrection of one of the fathers who gave birth to it. However, because of its great power, it also brought various problems and troubles to the two wizards who had no relevant experience that cannot be ignored.
Concept: Even a man like Severus has a soft side that no one knows about