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Shouto drags them to a gingerbread tasting of all things.
Katsuki doesn’t even know where he found it. He probably saw it on one of those grandma lifestyle knitting sites he gets subscription emails from all the time. Katsuki would bet good money the little intro bit said something about cozy fall vibes.
Shouto, obviously, is particularly susceptible to cozy fall vibes.
So now Katsuki is tasting gingerbread. So much gingerbread. More gingerbread than he could fit in his wildest dreams, if he dreamt of baked goods.
(Usually, he dreams of Shouto. Which—pretty much the same thing in terms of sugar content, really.)
But Shouto keeps scrunching his cute little nose. He’ll pick something up from the sample platter, nibble at it, put it down, and then pick up another little rectangular block, nibble at that one, and repeat the process.
“What’s up?” Katsuki asks. “Too sweet? We could ask if they have other stuff if you want. This place is huge.”
“No,” Shouto says. “Not too sweet. Just—tastes weird.”
“Weird how?” Katsuki asks. “You getting sick?”
He puts a hand on Shouto’s forehead to check for a fever, but he doesn’t feel any warmer than usual. And then he considers checking with his mouth, just to be sure, but Shouto would probably pout at him about being indecent in public even if he’s the one who drags them to the restroom when they go out to watch a movie and his heat’s coming up.
Shameless brat.
Katsuki’s favorite, though, so.
“I don’t think so?” Shouto says, eyebrows furrowing. “Is fancy gingerbread supposed to taste like metal? Because all of these taste a little like metal?”
Katsuki pulls out his phone and types.
The top search results for omega complaing about sweets tasting metallic all have the word pregnancy in the preview.
Katsuki stares at them. Katsuki thinks back to the last time Shouto had a heat. Katsuki fucking blushes in a crowded room full of people tasting gingerbread thinking about Shouto’s nails digging into his back and how he whispered please, alpha, do it for real this time, and Katsuki didn’t—
It’s not like he minds the thought of kids with Shouto, or anything.
He just figured they had some more saving the world—or, you know, getting little kids’ cats down from trees, now that stuff has slowed down—left to do before they got there.
And Shouto’s the one who’s gonna be doing the hard part, so. Katsuki’s not gonna be an asshole and push for anything when he gets to sit around for nine months while Shouto gets all weepy from the hormones and whines about missing sashimi and that stupid peach-flavored sake he likes.
He’s probably gonna want even more cuddles, the spoiled princess.
“Hey, Shou,” Katsuki says, “don’t freak out, but this thing says it’s either a vitamin deficiency or you’re pregnant.”
“Pregnant?” Shouto repeats. Then, very softly, he says, “Oh.”
“Yeah,” Katsuki says, heat crawling up the back of his neck. “That, or we need to up your red meat intake.”
“I eat plenty of red meat,” Shouto huffs. “Besides, I just had a checkup last month, you know, for the agency—”
Right. His checkup. His checkup which said Shouto was in perfect health except that ankle he sprained responding to a bank robbery, and that means—
“Shit,” Katsuki says. “You’re pregnant.”
Shouto takes another bite of one of the untouched gingerbread samples like he’s trying to double check. He’s got crumbs on his mouth when he says, “Yep, definitely pregnant,” through chipmunk cheeks.
Katsuki’s mouth twitches. “C’mere,” he says, tipping Shouto’s chin up to wipe the crumps away with his thumb. “Messy omega.”
“Mean alpha,” Shouto whines. “I’ll get fat because of you.”
“You wanna keep it?” Katsuki blurts. “Uh... him? Her? The kid? The, uh, thing?”
This sweet-looking granny sitting at the table next to them laughs at him. “My husband was a wreck with our first one too,” she says. “Took him a while to get the hang of it.”
Which—
Which is fucking unhelpful and fucking rude, because Katsuki isn’t anything. He doesn’t even know what Shouto wants yet. He’s definitely not a wreck.
“Yeah,” Shouto says. “I don’t think I’d be that bad at it. You know, being a mom?”
“You’d be great,” Katsuki says. “You’d be the best one ever.”
Sweet Old Lady gives him an approving look. So maybe she’s reconsidering her poor judgment.
And Shouto—
Shouto smiles like Katsuki’s responsible for the sun coming out, like he hauls it around in a chariot all day just so little kids get to play while it’s warm out. Makes Katsuki’s chest ache. He’d be the best at anything he set his mind to, but he’s not even gonna have to try a little bit to be a good mom.
He’ll just get it perfect on his first try.
And, you know, Katsuki will do his best to keep up, because that’s how it goes. Because it’s fun. It’s his favorite part, getting to chase after Shouto, to keep up with him and share this little life they’ve built together.
To earn it, because Shouto’s the kind of wonder you earn, even if he’d scrunch his button nose and pout and say some shit like you don’t earn people, Katsuki, like he thinks Katsuki’s got some weird teenage bullshit self-esteem thing still going on when he just—
When he just knows what he’s got, and how lucky he is to have it, and that you take care of the things you love.
“You really think so?” Shouto says. “I’ve never changed a diaper before.”
Katsuki laughs. “We’ll figure it out,” he says. “You can ask your sister. Or Shitty Hair and Mina.”
“Shouldn’t we be sure first?” Shouto asks. “Maybe it’s not—you know.”
He’s already excited about it, Katsuki can tell. Like this wonderful thing he hadn’t even considered just fell into his lap, and now he gets to keep it, and he’s worried if he’s not careful he might mess it up.
“Hey,” Katsuki says. “If it’s not that, and you want pups, I promise I’ll do my very best. I’ll put in extra shifts and all.”
Shouto leans across the table and their varied assortment of baked goods just to smack him on the chest. “Changed my mind,” he says. “I don’t want them with you.”
“Yeah?” Katsuki asks. “That’s too bad. I want a dozen of ‘em if it’s with you, princess.”
Sweet Old Lady mouths tone it down a little at him behind Shouto’s back.
“I guess,” Katsuki says. “We should start with this one and see how it goes, though. I’m totally gonna win at changing diapers.”
Shouto’s mouth twitches. He bites at the inside of his cheek like he’s trying not to give in to it. “Well,” he says. “If you agree to handle changing the diapers, I guess we’ll be fine.”
“Deal,” Katsuki says. “Anything for you.”
“I’m still sad about the gingerbread,” Shouto says. “When do I get gingerbread again?”
Katsuki wants to bite him all over. His teeth itch from it. Is that bad? That they’re already mated and the urge to bite Shouto everywhere is the same as it was the first time he pinned Shouto to a training mat and had him breathing too quick under him back at U.A.? Or is that just what loving someone is like?
Katsuki wouldn’t know, he’s only ever loved Shouto, and he’s got this theory that Shouto makes everything easier just by being there next to you.
“We’ll come do this again,” he says. “Later. Okay?”
“Okay,” Shouto says. “But next time you have to promise not to sit there and look grumpy.”
“Who’s grumpy?” Katsuki says. “Definitely not me. I’m gonna be a dad. I’m gonna get the brat a tiny Dynamight costume, and there’s nothing you can do about it.”
Shouto blinks. “Why would I do anything?” he says. “Well, I might take pictures because it would be really cute, but—you know.”
Sweet Old Lady looks pretty pleased with this turn of events.
...
(When they get home, Shouto takes not one, not two, but three different tests. They all come back positive. He texts his sister first, then Ponytail. But, before that, he lets Katsuki kiss him right in the middle of his perfect mouth.)