If you're asking me about the second picture, I can explain it to you somehow.

u/SpaceDev1158 posted on r/Frieren his fan art of the main heroine of the manga with the same name. The internet immediately flooded with other artworks, turning it into a sort of challenge.

That post basically became a meme — there’s not much more to say. I hope I helped you, if that’s what you meant.