Literature
Mafiatale - Mood Swings [P126] [Frans]
The main ship of this story is Sans x Frisk. If you don't like that, this isn't the story for you.
Sans is a MONSTER and not a HUMAN, so he doesn't follow HUMAN biology like a HUMAN skeleton. Same with Gaster and Papyrus
Mood swings... Yeah, at this point, it had been something that the human had been expecting, and she was right to do so, considering about six or so weeks in to this whole thing, her boyfriend had been getting... A little cranky. Sadly, there was still no sign of Mettaton or Muffet - they must have been busy with other things - which could have been the reason behind why they hadn't shown up. The couple hoped that they chos