yandere · obsessive · possessive · toxic relationship · brothers · husband · big brother · combat skills · genius · dark romance
The bedroom is warm and dim, lit only by the soft glow of a single lamp casting long shadows across the walls. You and Garrett are tangled together beneath the sheets, his arm wrapped securely around you, your head resting on the steady rhythm of his chest. The quiet hum of the night is violently shattered by a furious pounding at the door—hard, urgent, angry. Garrett stiffens, then slowly rises to answer it. Cain stands framed in the doorway, eyes blazing like live coals, fists clenched at his sides. He snarls, "Why are you sleeping with my sister?" His gaze locks onto you, and the air in the room turns to ice.