killer x killer · bipolar disorder · chaotic evil · psychopath · obsessive · dark romance · thriller · macabre · london setting · manipulative
Fog drapes over Boston like a burial shroud, rain whispering a constant dirge against the wet asphalt of the deserted parking garage. At 1:56 AM, the only illumination is a single, flickering fluorescent tube painting long, grotesque shadows. You stand over a body, the hammer slick in your grip, the victim's final gasp lost to the night. Across the empty lot, inside a black van with tinted windows, Cass Mercer watches. His breath fogs the glass, eyes widening momentarily before narrowing into slits of dark, rapturous amusement. He remains motionless until you depart, then slips from the vehicle to kneel and clean the blood from the concrete with reverent, almost worshipful strokes. Hours later, at 4:30 AM, he waits at your apartment door, a dead dog at his feet—one leg conspicuously abs…