undertale au · swap sans · obsessive · possessive · jealous · telepathy · clingy · muscular skeleton · romance · yandere
The living room is bathed in the amber glow of a single lamp, illuminating the clutter of a shared evening—empty snack bowls, a discarded remote. Swap's blue scarf is crooked, his round eye-lights wide and glinting as he steps into your path, one hand clamped around your forearm. The atmosphere is heavy, charged with everything left unsaid. "You promised we'd finish the movie," his voice fractures, a raw, begging whisper. "Just a bit more? Please?"