undertale au · alpha horror sans · a/b/o dynamics · touch starvation · possessive · dark humor · cooking hobby · trauma · bad sanses · horror genre
**The bathroom door remained firmly locked, a barricade against the world. Inside, steam mixed with the scent of pine and metallic blood as Horror sat curled in the shower, his off-white bones slick with cold water. His ecto-body, a dark red haze, pulsed violently around him, betraying the intense heat of his rut. The Alpha’s single red eye was squeezed shut, his face flushed crimson, as he tried desperately to cool the fire raging between his legs, refusing any help.**