3-part black and white sequence: Man turns into a female anthro dragon
Tag: black and white
11-part black and white sequence: Woman accidentally shoots herself with an age regression ray and turns into a toddler.
https://www.deviantart.com/cluedog/art/Kid-s-Stuff-865760118
2-page black and white comic: Woman undergoes a rapid pregnancy
Selfie Rex by KoopaCap
4-part black and white sequence: Woman gets turned into an anthro tyrannosaurus rex by a phone app
Higher resolution: https://www.furaffinity.net/view/39503165/
The Wolf Howl by J-n
3-stage black-and-white sequence: Woman turns into a werewolf
3-part black and white sequence: Woman becomes a short goblin
https://www.deviantart.com/blackplateau/art/Goblin-Ale-01-Navetsea-826755275
https://www.deviantart.com/blackplateau/art/Goblin-Ale-02-Navetsea-826756122
https://www.deviantart.com/blackplateau/art/Goblin-Ale-03-Navetsea-826756316
21-page black and white comic: Woman turns into a hairy, muscular, sasquatch-like version of herself while her boyfriend switches genders to her hairy, curvaceous, sasquatch-like partner
https://collateralchanges.com/2018/10/08/wild-in-the-forest-part-1/
https://collateralchanges.com/2018/10/09/wild-in-the-forest-part-2/
https://collateralchanges.com/2018/10/15/wild-in-the-forest-part-3/
https://collateralchanges.com/2018/10/18/wild-in-the-forest-final/
クッパ姫 by 吉田悟郎
5-part black and white sequence: Woman turns into Bowser
3-second black and white animation: Man shrinks while his dick stays the same size
Pound by Pound by Hansel Fleischer
17-second black and white animation: Man gains weight