FINISHED: Adventure Time Three's A Crowd (Patreon)

Princess Bubblegum is having a good time with a giantess Marceline.

But it looks like someone else came first, you know what they say:

"Three's a crowd"

OC belongs to SunniestSunflower.

PSD: https://drive.google.com/file/d/1RRaucGkwF_kAmF-6GyoW_ueM8-_QJirN/view?usp=sharing