你好，再见 (Nǐhǎo, Zàijiàn)

Background
"Nǐ Hǎo, Zàijiàn" is an original song featuring Yuezheng Longya and Luo Tianyi. There are versions of the song where the two are singing separately. YANHE, Yuezheng Ling, and Xingchen make cameos in the PV.