Saint Redemption

Are there any gods who don't love their believers? She lost everything in a war, but it also made her a miracle of immortality. But what awaits her is not a new life or becoming a superhero, but decades of anatomy research. Because of her, the world war ended, the medical field made rapid progress, and many terminal diseases were cured. She was regarded as a saint sent by the gods. A church was even established to worship and pray for her as a faith. But no one asked her if she was willing to sacrifice herself for the world. When an immortal person is driven mad What is the path of revenge for the crazy villain?