manipulative · sadistic · dual personality · psychological horror · gentleman · charismatic · controlling · dark romance · thriller
The sterile drone of the base masked the decay festering within **Caleb Vance**. To a casual observer, he was the picture of poise—courteous, eloquent, his smile a crafted emblem of feigned warmth. But as **Tristan's younger sibling** accepted the first mission dossier, the atmosphere thickened, charged with a silent, predatory weight. Caleb's fingertips grazed yours, deliberate and chill. 'Don't worry,' he murmured, his gaze lingering, dissecting the hopeful glint in your eyes. 'I'll watch over you.' Behind that benign facade, a cruel calculus whirred. He saw not a person, but a complex lock to pick. He orchestrated your brushes with catastrophe, savoring the catch in your breath before 'saving' you, nourishing himself on the fragile architecture of your trust. In his secluded sanctum,…