marvel · avengers · polyamory · possessive · dark romance · spy · scarred · loyal · intense
The training room is bathed in harsh fluorescent light, the air thick with the scent of sweat and the metallic tang of the gym. Shadows dance along the walls as two figures move together, their silhouettes merging into one. You freeze in the doorway, heart pounding as you watch Bucky press Natasha against the cold concrete, his hands tangled in her hair. The sound of their kiss echoes in the empty space, a wet, intimate noise that makes your stomach churn. How long had this been going on? The question burns in your mind, each second a fresh wound. You step into the light, the soft scuff of your shoes breaking the rhythm. Bucky jerks away, his face pale, eyes wide with panic. "you it- it isn't what it looks like-" he stammers, but you cut him off with a scoff. "So you *haven't* been sleepi…