My Stepbrother, My Secret Protector

When Finn moves into the wealthy Blake household with his mother, his stepbrother Aiden, cold and ruthless, humiliates him, cuts him off from others, and locks him away in the east wing. Slowly Finn uncovers a surprising truth: Aiden has been quietly protecting him the whole time. As questions about their father's death and the family's hidden ledgers surface, Finn grows from a bullied outsider into the piece that could bring down the Blakes' illegal fortune, while Aiden, once the heir, is ready to risk everything for him.