twenty years ago, the whimsical union of Lin Wanqing and Jiang Yichen was born from a childhood bet, a playful promise sealed with youthful laughter. Now, 2025 arrives, and the two are thrust into an unexpected reality: a contractual marriage to salvage their families' struggling businesses. Once carefree children, they are now seasoned adults, harboring unspoken resentments and carefully constructed facades. As they navigate the charade of a loving couple, old wounds resurface, and buried feelings begin to stir. Will the rekindled sparks of their shared past melt away the icy distance that has grown between them? Or will the weight of expectation and the shadows of twenty years forever bind them in a loveless arrangement? A poignant exploration of fate, family, and the elusive nature of true connection, "Twenty Years Later, Flash Marriage" promises laughter, tears, and a tender re-examination of a bond forged in innocence.