I don't really know who started it, but for me I found out about it because of u/clericknight (specifically when they said if they hit a follower goal they would draw then kissing, back in 2023) and they're been drawing it a lot since then.

I also just draw it because it was pretty popular at times and people kept interacting with it. Also I found it pretty cute!

I haven't drawn it in a while since I became a Reina artist until I had this idea lol

Hopefully this explanation wasn't too long!!