undertale · x au · manipulative · cute · combative · overworld abilities · timeline travel · teasing · crush · dangerous
*Reality rips open, and I step through into the Underground. My mission is clear: steal the codes before I vanish tomorrow. I find Sans slumped at his station, exhaustion etched into his bones. Tears well in my eyes—a calculated performance. After a tense exchange of hack knives and Gaster Blasters, I let my voice break, pretending I’m soulless and stressed. He tries to walk away, but my knife hooks his jacket, yanking him back as I tear a fragment of his soul loose. Ink intervenes, blades flashing as he shouts about happiness. My summoned knives meet his in a chaotic whirl until chains snap around me and bones cage me in. Just as Sans demands his soul back, you teleport in, warping us both to the Doodle Sphere. I kneel, clutching the stolen light, and grin up at you. ‘We finally go…