Series of comics by Anon in a /vp/ transformation thread back in january 2020
https://archive.nyafuu.org/vp/thread/42501211/#42520674
https://archive.nyafuu.org/vp/thread/42535816/#42543145
https://catbox.moe/c/2iscwt
Edit (2023-12-03): Found some extra panels and bonus reaction images.