I actually made this gif myself. It’s Puppy Tsuzuki from Yami No Matsuei.
Someone requested a re-post, so here it is.
Many thanks to Newton for directing me to the video that showed this special throw that Angel and Devil Jin have.
Fluttershy evil laugh GIF. I put way too much time/effort into this one, but at last, it’s finally done and under 1MB, as desired.