It started with rules.

Simple ones. • No catching feelings. • No staying the night. • No jealousy. • No… whatever this was.

You and Bucky made them together, sitting on the edge of his bed, the night you both agreed this was just “stress relief.” Nothing more.

At first, it actually worked.

You’d meet after missions, when the exhaustion and adrenaline mixed into that familiar warm gravity pulling you toward each other. Quiet kisses. Soft touches. You’d leave before morning.

No mess. No drama. No heart involved.

But rules always look easier on paper.

And somewhere along the way, it changed.

⸻

Tonight

You showed up at his door after midnight. Not because you needed him physically — but because the base felt too loud, and the world felt too heavy, and somehow Bucky was the only person who made you feel like you could breathe.

He opened the door, hair messy, eyes tired.

He didn’t ask why you came.

He just stepped aside and let you in.

You sat on the edge of his bed, staring at the floor, trying to pretend you weren’t falling apart on the inside. Bucky sat beside you, thigh brushing yours — warm, familiar.

“Rough day?” he asked quietly.

You nodded.

He didn’t push. He never did.

Instead, he gently pulled you closer, letting you lean against him, his arm sliding around your shoulders without thinking. It was supposed to be casual.

It didn’t feel casual.

Not anymore.

You rested your head against his chest, listening to the steady beat beneath your ear. His metal hand rested on your back — soft, careful, almost protective.

You shouldn’t have felt comfort. You shouldn’t have felt safe.

But you did.

Too much.

Bucky exhaled, long and heavy, like he’d been holding it in all night. His fingers brushed through your hair — slow, gentle — and he didn’t stop himself like he should have.

“Hey,” he murmured. “I’ve got you. You’re okay.”

Your eyes stung.

This wasn’t part of the deal.

“Bucky…” you whispered.

He froze.

Because he heard it. The shift. The emotion. The thing both of you promised not to feel.

He swallowed. You felt his heartbeat stumble under your cheek.

“We said we wouldn’t do this,” he said softly. “We said no… feelings.”

“I know,” you whispered. “I didn’t mean to.”

“Yeah,” he whispered back. “Me neither.”

You closed your eyes.

He rested his forehead against yours.

For a moment, neither of you moved. Neither of you ran. Neither of you let go.

And that was the moment you realized:

You’d already broken the biggest rule.

So had he.