Xinran.

1. According to QQ Music query, the original singer of "Don't Lose, Don't Forget" is Xinran, Hanhun Commander wrote the lyrics and composed the music, and it is included in the album "Xinran's Game Fan Singing Collection". The song is emotionally sincere and received numerous praises upon its release.

2. Excerpts from the lyrics: The evening breeze blows the curtains, and there is no light to accompany the shadow. When we are separated, we must not forget each other. We look at each other from the end of the world.