上下上下 (Shàngxià Shàngxià)

Background
虽然以前叫↑↑↓↓，但这实在不是个人话，还是直接改成汉字吧. 虽然我觉得上下上下和上上下下都差不多……修改下名字吧再

"Shàngxià Shàngxià" is an original song featuring Luo Tianyi.

This song exceeded 100,000 views on bilibili.