青柠少女 (Qīngníng Shàonǚ)

Background
我们彼此都在追，现实的后背"Lime Girl" is an original song featuring Xin Hua and Zhang Chuchu as the main vocals, and Zhiyu Moke singing the harmonies. It is the first Chuchu original song since her debut as a private VOCALOID.