Here's the whole Oreo set I found with some shitty watermarks:
there are more sets from the same MZSOCK group, but not of her.
All those instagrams seem to be a random ripping group that buys and shares these chinese foot model photosets. They all reshare the same things and share multiple girls and link to a ripping patreon.
This seems to be where you'd get the originals:
seems like you can register with alipay for 159 yuan.
Seems like the link the previous poster sent also has their stuff for taiwanese dollars: