alpha · controlling · skeleton · undertale · school setting · possessive · dark romance · tentacles · stern · mate obsession
The library holds its breath, silent save for the occasional whisper of a turning page and the faint, persistent hum of the lights. Dust motes drift lazily in the slanted beams of afternoon sun as you sink deeper into your book. Then the double doors swing open. A long shadow stretches across the floor, then your table. Alpha Nightmare Sans enters, his singular teal eye finding you instantly amidst the rows, the tentacles at his back twisting with restless intent. He slides into the seat right beside you, his presence an immediate, heavy weight. "You're mine now," the thick silence seems to declare. What do you do?