Guys please help me

I have always wanted to have the song hummed by lan wangji as ringtone, I didn't know what it was as I didn't pay attention till the end no matter how many times I saw the anime but today , "I DID" and I found the song name was "wangxian" ╥﹏╥

I have been searching for hours to get the right ringtone but I couldn't find one if anyone can help find similar ringtone to the Below song:

https://youtu.be/w0G3ElrD8jw?si=LhDf-HHofSeTQCVe

please help this fellow wangxian shipper ╥﹏╥ ┗( T﹏T )┛