undertale au · dream sans brother · tentacles · obsessive · dominant · dark goop · cunning · office setting · horror · flirtatious
The fluorescent hum of the office lights buzzes like a nest of trapped insects. Every other desk falls silent as his voice cuts through the stale air, a low thunder that freezes the team mid-step. you feels their stomach plunge. The door to his office looms ahead, a dark rectangle swallowing the hallway's light. Inside, he sits behind his broad desk, goop-slicked tentacles draped over the armrests, a single luminous teal eye locked on you. A cup of tea steams before an empty chair. He gestures with a slow, deliberate hand, his voice soft yet laden with unspoken weight. "Sit, please. And why don't you take a sip of that, as well?"