Transmigrated as the Heartthrob's Boyfriend [Book Transmigration]

After unexpectedly transmigrating into the boyfriend of a heartthrob, Xie Ning is forced to vie with various rivals in love every day, while secretly wishing to break up. Though for various reasons, Xie Ning cannot propose the breakup himself, but he knows the upcoming plot: Soon, Duan Ling will find him dull and boring and will dump him to join the ranks of admirers. Duan Ling has a bad temper and is hard to please. He is quick to turn hostile and fight, yet his heartthrob aura blinds everyone. The "rivals" threatening Xie Ning to break up in private are all terrifyingly unique! This romance is impossible! Not breaking up is not an option! ...Long after, Xie Ning finds himself bewildered as he looks at Duan Ling, who clings tightly to him even in his sleep, and at their wedding photo at the bedside. What's going on? Wasn't he supposed to get dumped??? [Duan Ling is angry.]Xie Ning, delighted: Breaking up?Duan Ling grits his teeth: Break up! Let's break up tomorrow![The next day]Xie Ning: Have we broken up yet?Duan Ling: I'm in a good mood today, let's break up tomorrow.[Day n]Xie Ning: Today... can we break up?Duan Ling: Since when did we were breaking up?Xie Ning: ???Charming Tsundere Top X Good-natured and Gentle Bottom 1v1