Bentley: Billionaire Opposites Attract romance (Vested Interest Book 1) by Melanie Moreland

The leader of the group. He is uptight, formal, and cold. Rigid and set in his ways, always following the same path. Until the day, he stumbles upon her. She brings with her spontaneity and light. The world she lives in is so different from his, yet he cannot control the draw to her. Nor can he explain the way she makes him feel.