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Muscle Memory

Summary:

A simple kiss driven by pure muscle memory is all it takes for Shouto and Katsuki to accidentally reveal their secret relationship.

Notes:

Hi!! This was a little thread I had on twt that I chose to post here too :) enjoy!

Work Text:

It’s been nearly two months since all their friends have been able to meet up what with all their patrol schedules clashing. But all it took was a group chat poll and some nudging on Kaminari’s part to finally plan a dinner.

Shouto was fortunate that he had the day off today so he was able to get to the restaurant and acquire their large table first along with Sero and Iida. The rest of their friends trickle in as they wrap up their shifts, cheerily greeting each other as they arrive.

Izuku makes it about twenty minutes in, happily plopping down on the seat next to Shouto and easily joining in the conversation he’s having with Iida sitting on Shouto’s other side. The topic quickly shifts to Hatsume’s new prototype tech that both Ingenium and Deku have been testing. So when Katsuki finally arrivesthe last of the groupShouto doesn’t notice until he comes to a halt right behind Shouto’s chair. 

The whole table greets him and Katsuki quirks a grin and lifts a hand in return. Shouto tips back his head to get a look at him. His head comes to rest on top of the backrest and their eyes meet. Neither of them thinks before it happens. 

Just as Shouto lightly lifts his chin, Katsuki dips down to peck his lips. There’s a collective gasp around the room. Shouto's eyes fly open to see Katsuki's red ones staring back, wide. He sits up straight so fast that his forehead smacks Katsuki’s mouth. Katsuki straightens too, cussing. Shouto’s not sure if it’s because of the minor crash or because of their careless little moment of affection driven by pure muscle memory. 

Because their secret is out now. 

Oops.

Izuku stares at them with wide eyes, looking back and forth between Shouto and Katsuki so fast that Katsuki grips the top of his head with his hand to stop him. The rest of the table has various looks of silent surprise and excitement. And then the questions start pouring, torrential.

Katsuki’s face is red but he rolls his eyes, shuffling over to sit next to Kirishima at the end of the table. He catches Shouto’s gaze from there and offers an exasperated grin. Shouto smiles back. 

The thing is that even they haven’t talked about…them. What they are. Where they're at with all this. Honestly, Shouto’s been wondering himself. They haven’t talked about whether or not they want to call this a relationship. Yet. Secretly, Shouto has been hoping it is but he didn’t want to be pushy. So he's just been going with the flow and it's been good.

But then, as they continue to be bombarded with questions, Katsuki finally shuts the commotion down.

"If you nosy fuckers don't shut the hell up and leave me and my boyfriend alone, I'm exploding the table. And Denki, it's going on your goddamn tab."

Kaminari balks then whines a "Kacchan, why meee?" The rest of the group laughs but they acquiesce. Tokoyami says something about his current mission and the spotlight is instantly shifted. But Shouto's eyes linger on Katsuki who trying to fend off Kaminari's apologetic hug. 

Boyfriend

Shouto’s his boyfriend. 

Which means Katsuki is his.

He knows they’ll get to talk about it more later when Katsuki takes him back to his place. Or maybe Shouto will invite him to his. But they don’t have to pretend to leave separately and meet up later. They don’t have to be secretive anymore. 

Shouto meets Katsuki's gaze once more. There's a blush high on Katsuki's cheeks but he grins, tongue pushed up against one cheek as he tries to keep his excitement in check. Shouto beams back, heart soaring.

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