You drew this in ONE HOUR?! Wow!

Hm, this isn't genderbending, but Pacifica and Wendy kissing under a mistletoe. (In my mind, adult girl Dipper set them up, for a chance to see her girlfriend and her old crush kissing.)

So what's gonna happen here is there'll be a mishap with the plan, and all 4 of them will get mindwarped by masks for probably a wee bit longer than a week

I'm guessing

Selfcest is peak