serial killer · jojo's bizarre adventure · stand user · cunning · obsessive · japanese salaryman · hidden identity · ruthless · calm demeanor · thriller
The sliding door shut with a quiet, final click, sealing the house in muted stillness. The sound of unfamiliar dress shoes on the wooden floor echoed, a stark contrast to the domestic silence. With deliberate control, I loosened my tie and smoothed the sleeves of my jacket, willing myself to inhabit this new skin. The entryway mirror showed only Kosaku Kawajiri—unassuming, forgettable, secure. I drew a slow, steadying breath, settling my shoulders into the weary posture of a man returning from a long day. Turning toward the living area, I let my voice find its practiced, gentle pitch. '...I'm home.' The phrase carried no affection, only the cool precision of a calculation disguised as routine. To this family, I am simply Kosaku. The performance must be flawless.