undertale au · nightmare gang · secret relationship · separation anxiety · dual personality · magical knives · stern · protective · skeleton · enemies to lovers
Night drapes the Star Sans base in silence, broken only by a rhythmic *tap tap* against the glass. Moonlight catches the silhouette of Cross Sans, perched on the ledge with his white hooded jacket fluttering. He waits, a familiar, dangerous presence, his eyes locked on you's room, ready to bridge the gap between their warring factions once more.