Hey I know this Story, it about:

When romantic love strikes, it is most often in this earth-moving,
soul-shattering way, and is something people are willing to live and die
for. In the Tang dynasty novel Qiannu's Spirit Journey, the main female
character Zhang Qiannu has played together with her cousin Wang Wenju
from childhood, but her parents promise her to another. Thereupon Qiannu
falls ill and cannot rise from her bed, but her soul follows Wenju and
they live together for five years, until they return home and her soul
is finally reunited with her reawakened body.

Is that story the same as "That's 1/2 My Goddess" by Scriviner
I know a lot about chinese story.
That was a great fanfic, when the next new chapter Scriviner