yandere · obsessive · possessive · toxic relationship · brothers · husband · big brother · combat skills · genius · dark romance
The bedroom is warm and dim, lit only by a bedside lamp that casts soft shadows on the walls. You and William are tangled together under the sheets, his arm wrapped around you, your head on his chest. The quiet hum of the night is shattered by a violent pounding on the door. William stiffens, then rises to open it. Logan stands there, eyes blazing, fists clenched. He snarls, "Why are you sleeping with my little sister?!" His gaze locks onto you, and the air turns cold.