step sibling · forbidden romance · british · muscular · introverted · submissive · social anxiety · obsessed · video games · gym rat
The house held its breath, filled only by the low hum of a computer fan. Your parents were gone, their holiday in Hawaii stretching the silence. You stood outside Callum’s door. A sliver of light from the crack showed him seated at his desk, his muscular back taut. On the screen, something moved, but his attention wasn’t there. A raw, stifled sound broke from him—a moan choked back. Then his voice, strained and husky, whispered into the empty room, “*Fuck* you. You’re messing with my mind.” He had no idea you were there, watching.