One possible plot twist could be that Sakura has a secret that she's been hiding all along, which, when revealed, makes the narrator realize that they actually can be together. For example, she might have been pretending to be unavailable for some noble reason.
Maybe the narrator discovers that the reason they thought they couldn't be with Sakura was all a misunderstanding. For instance, a message got miscommunicated, and once they clear it up, they can pursue a relationship. Another plot twist could be that an unexpected event, like a natural disaster or a sudden change in the social order, actually brings them closer together instead of keeping them apart.
A really interesting plot twist could be that the narrator has a hidden power or identity that, when exposed, either makes it possible for them to be with Sakura or creates an even greater rift. For example, if they are from a magical race that Sakura's family has an old feud with, but then through some heroic act, they are able to bridge the gap. Or perhaps the narrator discovers they are related to Sakura in some unexpected way that completely changes the dynamics of their relationship.
Chapter 327, "Official Announcement Entering the Circle!", is the clearest early answer because it pushes Jiang Zhao Yuan into a new phase or setting. Early on, Three hours later, the shoot was over, and Shen Lan personally picked....
Chapter 554, "I've calculated it, he won't die", is the clearest early answer because it turns Yu Li's situation into a concrete plot event. Early on, Just ahead, there should be a substantial source of water," Jiang Li....
Chapter 548, "A Guy Named Gu Yu", is the clearest early answer because it turns Chengcheng's situation into a concrete plot event. A useful checkpoint is the way the scene starts with No, we can't," Su Yinwan blurted out subconsciously.
Chapter 279, "The Sudden Blaze", is the clearest early answer because it turns Jiang Yan's situation into a concrete plot event.
Chapter 680, "One Hundred Million has been credited to your Alipay account!", is the clearest early answer because it turns President Hu's situation into a concrete plot event. Early on, Who would have thought, the man just grabbed his phone and smashed it....
Chapter 240, "He's the Last One?!", is the clearest early answer because it turns Shang Shaojing's situation into a concrete plot event. Early on, Wuuuuh He Bao truly deserves it, Mom always knew you could do it!".... By the end, Right then, her face turned completely sour..
Chapter 370, "Jiang Li, Thank You for Coming to Save Me", is the clearest early answer because it turns Coming's situation into a concrete plot event. Early on, He Yun's trial took place a week later, as scheduled..
Chapter 373, "Mr. Jin is the Best, How Could He Possibly Lose?!", is the clearest early answer because it turns Best's situation into a concrete plot event. It opens with As night fell, the lobby of the Golden Sand lit up with layers of...
Chapter 629, "The Family is Going to be Gone", is the clearest early answer because it turns Bai Lu's situation into a concrete plot event. It opens with Even after training under Jiang Li for so long, they couldn't... and closes on You aren't the one injured!" He had had enough of this island!.
Chapter 256, "Bonfire Feast", is the clearest early answer because it turns Jiang Li's situation into a concrete plot event. It opens with Turning around, Jiang Yan and Zhao Lang found their heads had been... and closes on I was dazzled seeing Jiang Li trending today." Next door, Su Yinwan....