What?! The Proud Heiress Is a Master at Winning Herself Over

【Two heroines + both leads' first love + some angst + school life at first + mature love later + happy ending + slow burn + secrets planted】 At first: Zuo Siyuan: Innocent, cheerful, warmhearted, and guileless. Tan Shucheng: Stubborn and proud, confident and mature. She overthinks everything, but only when it comes to Zuo Siyuan. Later: Fifteen years slipped by in the blink of an eye. Zuo Siyuan: Cunning, keeping her thoughts hidden. Tan Shucheng: Innocent, clearhearted, and sincere. When they meet again, Tan Shucheng is a rising entrepreneur who makes no secret of her sharp edge, while Zuo Siyuan has become a doctor whose reputation is growing. The old feelings have never died. Using an excuse to ask her to stay, she says, "My dad needs treatment. Stay here, will you?" The feelings that had been lost for years slowly find their way home again in their reunion. They think they can finally hold on to the warmth they've long yearned for. But as the past is gradually laid bare, they discover that every meeting, every flutter of the heart, and every moment spent together had been part of a game from the very beginning.