Nom-de-plume-system
(First and second chapters is in SwapFell, and nicknames will be in the third chapter)
Undyne ran; her footsteps echoed though the true lab. Papyrus was in her arms, looking scared, whom was feeble and very vulnerable to the rage of Sans.
Unable to heart the extremely malnurished and weak skeleton dying just because she wanted to keep him, she opened the teleporter's door and put him inside the machine.
She had enough time to scribble down a small note for Papyrus
Hopefully one day our paths will cross again, Papyrus. Good luck, I'll miss you.
With love, Undyne.
Making sure it was neatly folded and put away in his jacket's pocket, she gave Papyrus a goodbye hug. She closed the door and latched it, going to the control panel and typing down some coordinates for, hopefully, the surface.
Confirming it caused the already dim lights to flicker as the teleporter took in energy, and the humming got louder and louder as it started its jump. A blinding light- and then it was gone.