𝐏𝐞𝐭𝐞𝐫 𝐏𝐚𝐫𝐤𝐞𝐫 𝐎𝐧𝐞 𝐒𝐡𝐨𝐭 𝐁𝐨𝐨𝐤

Caught By Sister

Parings → Peter Parker x Reader

Warnings → Make out interruption, sibling chaos, accidental walk-in, embarrassment, yelling, second-hand cringe, comedy, non-explicit suggestive content.

Summary → A heated makeout session turns chaotic when Peter’s loud, boundary-less sister bursts in, traumatizing everyone and ruining all dignity.

          ｡･:*:･ﾟ★｡･:*:･ﾟ☆  ｡･:*:･ﾟ★

Peter Parker’s bedroom was usually the quietest place in the house.

Usually.

Right now, it was anything but.

Peter was hovering over you on the bed, elbows planted on either side of your head, kissing you like he’d forgotten how lungs worked. His room smelled faintly like laundry detergent, old books, and Peter — warm and familiar and distracting as hell.

Your hands were in his hair, fingers tugging just hard enough to make him groan into your mouth.

“Pete,” you mumbled, breathless, when his lips trailed to your jaw.

“Mm?” He hummed, completely useless.

Your top had been tossed somewhere on the floor earlier — neither of you remembered when — and you were very aware of the fact that you were now just in jeans and a bra. Peter, meanwhile, was in his boxers, knees pressing into the mattress, completely unbothered by how dangerously close this was to being discovered.

Because — and this was the key — Peter had forgotten to lock the door.

Normally, he was careful. Hyper-aware. Trauma does that to a guy. But Aunt May had texted that she’d be out late, and Penny was supposedly at a friend’s place. Empty house. Safe house.

Or so Peter thought.

His hand rested at your waist, warm and steady, thumb brushing the skin just above your jeans. You sucked in a breath, breaking the kiss.

“Peter,” you whispered, smiling despite yourself. “We should—”

“Relax,” he murmured, forehead dropping to yours. “We’re alone. I promise.”

Famous. Last. Words.

The bedroom door flew open the next second with zero warning.

“PETER I NEED—”

The scream that followed could’ve shattered glass.

“Oh my GOD—!”

You didn’t even process it fully before everything descended into absolute chaos.

Peter yelped — actually yelped — scrambling backward so fast he nearly fell off the bed.

You screamed too, purely on instinct, grabbing the nearest thing — the blanket — and yanking it up to your chest like your life depended on it.

“OH MY GOD!” Penny shrieked, hands flying to her face but absolutely not covering her eyes properly. “OH MY GOD OH MY GOD—”

“PENNY!” Peter shouted, grabbing wildly for… something. Anything. A shirt. Pants. Dignity. “WHAT THE HELL—”

“I JUST SAW TOO MUCH!” She yelled, spinning around in a half-circle and then immediately spinning back. “WHY ARE YOU HALF NAKED?!”

“You BURST INTO MY ROOM!” Peter snapped, finally locating a t-shirt and yanking it over his head so hard the collar stretched. “HAVE YOU EVER HEARD OF KNOCKING?!”

“I LIVE HERE!” Penny screamed back. “I THOUGHT YOU WERE ALONE!”

“I WAS—!” He stopped, then shouted, “I MEAN— I THOUGHT— THAT’S NOT THE POINT!”