AZ Zhenzhen.

According to the query of KuWo Music, the original singer of the song "We Become Passers-by" is: AZ Zhenzhen, Lyricist: Yin Mengmeng, Composer: Yin Mengmeng, album: We Become Passers-by, released in 2023 January 10th.

Part of the lyrics of the song "We Became Passers-by" are as follows: Who will you live with in the future, and how I will live in the future, will no longer have anything to do with it. Time has become a passer-by in a hurry, no matter whether you want to let it go or not.