I am in searching for a romance/historical/fantasy series that's not too old. r715r

Here's the summary:

Girl (dies, transmitigates or reincarnates or whatevers" into a foreign ancient land where she is discovered floating in the private pond in the garden of a prince.

The country she arrives in is waiting for a goddess or celestial maiden (or whatever) to arrive miraculously and bless their country or whatever her job is.

Besides pond girl, 2 other girls arrive in odd fashion and now the land is unsure of just who is heaven sent and who is lying. The Prince concocts a challenge they must solve to prove who is meant to be the celestial maiden (or goddess).

I keep thinking the color blue is in the title.... and it may have been Chinese, but I am unsure.

Thanks in advance!!!😘

More details:
I recall searching for the Blue Pavilion, as It could have either of those words in it - and I recall her following a butterfly, then waking up in the pond, and almost being killed because it is the Prince's private pond in his private garden by his right hand man, and no one is allowed there except the Prince. I recall that they had to do a contest to prove that they're the genuine prophet or celestial being or goddess whatever, that revolved around the history of the city they were in...and she spent a bit of time in the library or archives of the Prince. That the Prince was attracted to her, and the other two candidates were being sponsored by other factions (creepy Ministers or bad Generals) that wanted to take over the country and the girls both knew they were frauds. I also recall that the series was in color, and maybe it had a Chinese name but I only parts of the English translated name. I am being kinda all over the place, but yeah - that's all I recall.

Might it be "A Young Girl's Dream" by Nachogirl?