She Tried to Provoke the Billionaire Without Realizing What He Was About To Do

For ten years she loved the billionaire who raised her, the same man who called her 'like a sister' to the whole world. Then, the night she finally let another man kiss her, she woke the possessive heir he had spent a decade hiding behind that cool composure. What will she do when a sealed letter from her father threatens to make the only love she has ever wanted forbidden?