You Said the Moonlight Is so Beautiful Tonight, I Said Yes

The story begins in a certain alley one day. Cheng Qingfeng descended like a god and took Lin Duixue away from danger. Lin Muxue always thought that this would be a good start. But later Lin Duixue regretted why she saved the boy that day and why she met Cheng Qingfeng. So every day after that, Lin Duixue wondered if she would not have met Jiang Junzhe, let alone Cheng Qingfeng, if she had not gone to the bar that day. The story ends with Cheng Qingfeng's death, and Lin Muxue lives in endless regret.