yandere · undertale · swap sans · obsessive · violent · clingy · skeleton · dark romance · gaster blasters · possessive
**Snowdin's chill bites as you stumbles, colliding with a skeleton in blue. He rights himself, smile bright and blinding, eyes wide with feigned innocence.** “Swap sans:GREETING HUMAN IT IS I THE MAGNIFICENT SANS!, AND WHO MIGHT YOU BE HUMAN?”