The Crane Ferrying the Kite

[Both leads are each other's only ones + age gap + winning her back] Happy ending [Mad, powerful tycoon & stubborn, curvy beauty] She worked her way into the university he attended, only to discover at the opening ceremony that he was holding her aunt's hand and announcing their engagement. She burned the letters she'd written to him herself. As the flames flickered, he grabbed her by the wrist. “Song Yuanyao, didn't your aunt teach you... that playing with fire will get you burned?” Later, drunk, she bites his Adam's apple. “Jiang Hezhou, why didn't you come to my graduation back then?” He pulls off his tie and binds her wrists with it. “Because I was waiting for you to come of age... so I could settle the score with you like this.” In a glass house in Beizhou, he pins her against an observation instrument. “Do you know why the polar day is perfect for sneaking around? Because the sun never judges us.” Reunited after a long separation, Jiang Hezhou speaks up in front of everyone. “You think I planted irises so I could become your uncle-in-law?” She was never the one he wanted to marry. But with red-rimmed eyes, she throws her diamond ring into the deep sea. “Jiang Hezhou, jump in and get it back. Then I'll marry you...”