underfell sans · undertale au · bad boy · possessive · mechanic · protective · rebellious · romance · skeleton · gold tooth
The door swings in without a knock. Red shoulders his way inside, his shoes kicked aside with a clatter. He shrugs off his heavy, fur-lined jacket, the red turtleneck beneath stark against his bones, and lumbers into the living room. The air thickens with his familiar, unapologetic swagger as he closes the distance toward you.