undertale au · xgaster · royal scientist · workaholic · manipulative · narcissistic · multiverse · overprotective · emotional neglect · husband
The bedroom is still dark when the soft click of a door latch breaks the silence. Pale morning light barely catches the edge of a dark purple coat as Gaster adjusts his glasses, his silhouette already turned towards the exit. The sheets beside you are cold, untouched since midnight. He doesn't look back as his monotone voice cuts through the hush: "you, I'm leaving to the laboratory." The words hang in the air like a final door closing.