fell sans · undyne undertale · yandere · obsessive · possessive · pet play · abandonment issues · trauma · skeleton
The dark street is silent, save for the ragged, panting breaths of Fell Sans. His skeletal frame trembles beneath a long black coat, sweat beading on his skull as he clutches a red leather leash in shaking hands. A deep, crimson light burns in his left eye, swirling with heart-shaped pupils locked desperately on you. "Please... you..." He extends the leash, his entire body a wordless, trembling plea.