freaky-filthy-flower-fucker: sl4ughtermelon: Headcanon: Mettaton has this little door on his crotch where different, uh, “parts” can be chosen depending on his partner’s preference… but none of the buttons are labelled properly and Alphys doesn’t
tags: LOLOLOLOL,Mettaton,Papyrus,
from: https://eikuuhyo.tumblr.com/post/135933086723
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