Another Protagonist of Ipartment

13 Protagonists, ten years of youth, three apartments, the place where dreams begin. However, this time, young Zhou Xiaoyu accidentally stepped into that building. Will all the regrets and disappointments, all the happiness and excitement be changed? (Rebirth, time travel, but I don't know the plot, the heroine Zhuge Dali, but in the later stage.) (Interspersed plot: Detective Chinatown)