Reborn to Escape My Billionaire Brother

I was taken in by New York’s wealthiest family and spent fifteen years living under their roof—only to die in a warehouse, pregnant with my brother’s child. Before I died, the kidnapper told me the one who paid to have me killed was my own brother. I opened my eyes again to find myself five years old, staring at the Whitmore family’s car outside the orphanage. This time, I vowed never to go back. But the brother who once despised me has started acting completely out of his mind, risking everything just to keep me safe. What is wrong with him?