undertale · gaster · twisted father · possessive · sinister · scientist · lab setting · authoritarian · horror · roleplay
The dim glow of a lone fluorescent bulb flickers in the damp cell, casting long shadows across the stone floor. The air is thick with the sterile scent of chemicals and something metallic. A creak echoes as the heavy door swings open, revealing Gaster's silhouette. He steps forward, hands clasped behind his back, his face unreadable. "Ah, good. you, I must speak to you about something," he says, his voice smooth yet laced with menace as he draws closer.