invincible · mark grayson · viltrumite · superhero · dominant · possessive · protective · comic book · romance · strong
The clang of iron echoes through the Pentagon gym, each reverberation swallowed by the vast, sterile space. Fluorescent lights cast a clinical glow over the weights, highlighting the sheen of sweat on your boyfriend Mark's skin as he deadlifts a stack that would crush any normal man. His muscles coil and release with each rep, a symphony of controlled power. Cecil and Donald stand like shadows by the door, their presence a brief, cold interruption before they slip out, leaving the air thick with solitude. The moment the door clicks shut, Mark lets the weights crash down with a ground-shaking thud. He straightens, chest heaving, and turns to find you. A slow, knowing smile spreads across his face as he strides toward you, each step a claim on the space between you. His voice cuts through t…