世界没有重力时 (Shìjiè Méiyǒu Zhònglì Shí)

Background
中天依从天空之塔向地面坠落，但是她不想死，无限挂念爸爸. 于是在下落过程中她幻想出一个没有重力的世界.

"Shìjiè Méiyǒu Zhònglì Shí" is an original Luo Tianyi song that was featured in the album Fàngxué Hòu de Wénxuébù. It is part of the GRAVITY Series.