It could end with the narrator finally accepting that Katara will never love 'her' in the same way and moving on. Maybe they find someone else who appreciates their love.
The story might end with Katara having a change of heart. After seeing the narrator's unwavering love, she could start to see the value in it and develop deeper feelings for the narrator. However, this would require a lot of character development and plot progression. For example, there could be some kind of crisis that makes Katara realize the narrator's love is special. Or perhaps the narrator reveals some hidden depths or sacrifices they've made for love that Katara wasn't aware of before.
One possible ending is that the relationship between the narrator and Katara remains strained. Despite the narrator's feelings, Katara stays true to her own feelings and the story ends on a bittersweet note. The narrator is left with their unfulfilled love, and Katara continues with her life as before. Another option is that they both come to an understanding. They don't end up together romantically, but they respect each other's feelings and can continue their friendship in a more harmonious way.
Chapter 528, "Cursed", is the clearest early answer because it turns Shang Shaojing's situation into a concrete plot event.
Chapter 754, "Evil Can Never Defeat Justice", is the clearest early answer because it turns Wen Jiaojiao's situation into a concrete plot event. The chapter gives readers a real answer by opening on After the court trial ended, everyone immediately threw a party for...
Chapter 712, "This is definitely not reliable!", is the clearest early answer because it turns Wen Jiaojiao's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Exactly, exactly." Wen Jiaojiao said discontentedly, her arms crossed.
Chapter 520, "Was Zheng Xun Replaced?!", is the clearest early answer because it turns Pei Ye's situation into a concrete plot event. The chapter turns that into something concrete by moving from What did it mean that Jin Siyue had already given him all the shares?!
Chapter 532, "Little Lolita Beats Up Jungle Python?!", is the clearest early answer because it turns Jiang Li's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Outside the cave, the four people grasped their weapons tightly and...
Chapter 745, "I'm Pregnant", is the clearest early answer because it turns Wen Jiaojiao's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Several people finally met Shu Yan in the hospital ward.
Chapter 4 is the strongest chapter-level answer because it starts from Qiao regretted her words as soon as they left her mouth. and follows through on A little girl acting mysterious, learning fortune-telling, what is this....
Chapter 348, "Seeing You Reminds Me of My Cousin", is the clearest early answer because it turns Shanshui Pear Garden's situation into a concrete plot event. Early on, Jiang Li's voice wasn't loud, but it carried enough power to....
Chapter 881, "How to Deal with Her Few Younger Brothers?", is the clearest early answer because it turns Zhao Lang's situation into a concrete plot event. Early on, After settling Jiang Li in the car, Zhao Lang fetched the medical kit.... By the end, It was Jiang Cheng in pajamas..
Chapter 549, "Is This How You Be a Brother?", is the clearest early answer because it turns Is's situation into a concrete plot event. It opens with Jiang Li led her group deeper into the island. and closes on You can eat dinner after you've chopped twenty pieces." Jiang Cheng:....