Fluffishima being an Omega is fuCKING CHOICE CONTENT im feral for it honestly

Ooof now im thinking about poor Baku being like huuu safe me ;n; during Ei’s heat, like please my cock hurts ;n; and Eijirou is like fine let me sit on your face and Baku is Kiri’s seat for like an hour hnn

FUCK Alpha Bakugou feeling like he’s gotta beef up to be a bigger better Alpha for Kiri actually is killing me

He’s like Kirishima is the sweetest Omega and he’s huge and perfect and how could he ever want me I’m grumpy and small waisted with blown out hands and ugh I just need it

Ugh and Katsuki courting Eijirou and he cooks for him a lot and the moment he turns down his food becusse he’s insecure about his size Kats is like???? You don’t??? Want me???? Anymore?? And he’s so heartbroken

But Katsuki being himself is like okay /bitch/ what other courting shit can I get him?! And he buys like nice hoodies and tank tops and scents the fuck out of them. He leaves them for Eiji but he didn’t realize its near their bro-anniversary and Ei is so dumb fuck Kats loves him

Ei: “I mean they’re kinda intimate gifts but I love the way Katsuki smells.” *purrs as he wears the hoodie Katsuki got him that’s actually too big (Kiri loves that about it) and has the tag cut out of it so he’s not embarrassed about the size*

Katsuki looking smug AF when he sees Kiri in the hoodie (its ground zero themed) and Kirishima is like “OH I gotts get your gift!” And Katsuki is like goddamnit. But he has to smile as Kirishima gives him a new book to read and some new fancy eyeliner for his hero costume.

“I hope you like them bro!” Eijirou is all smiles and Katsuki is like -u- and has to smile because it’s Ei and he’s so sweet and thoughtful and Katsuki big L, loves him so he shuts the insecure demon in his head and keeps up the courting.

He gives him pillows and blankets for his nest, smiling at the way Eijirou kneads them on the couch the moment he is given them. And Katsuki is cooking again, making smaller portions for Ei but making them more calorie dense.

Katsuki loves that Eijirou is a big Omega. That just reads as powerful and capable and strong. When Katsuki ruts and humps his pillows, he pops his knot insanely fast at the image of Kirishima, belly heavy and swollen with his cum.

Ugh and Kats going to the gym with Kiri and Tetsu. Tetsu is also an Omega and Katsuki proceeds to workout too hard to try and show off. Kirishima has to get him ice packs when they get home because of course they live together.

Kiri being like “You gotta be careful Katsuki. Besides why are you pushing for more gains when you already look great! You don’t need more muscle for work??”

Katsuki is like “Because the Omega I’m courting can lift more than I can and he’s better with people than me and I wanted to show him I’d be a good mate?”

Eijirou is confused and he tilts he head about to open his mouth when Katsuki snarls, “If you ask me if I’m talking about TetsuTetsu. I will hurt you.” Katsuki is shaking and Eijirou looks up at him unsure of how anyone would want him.

“It’s you Eijirou,” Katsuki sighs, “It’s always been you.” And Ei is just floored and he just thinks about all the gifts and the scenting and “Oh.”

Katsuki can’t help but smile at his big dummy and he leans into the ice pack, “Let me keep courting you?”

“S-Sure,” Eijirou is all blushing and he can’t believe it!! The Alpha he’s wanted for so long wants him!!

Ugh and them building up Eijirou’s body confidence. Katsuki is back to feeding him again but he /always/ tells Ei how hot he is, how much he loves his stretch marks. How he loves the way his ass jiggles and his pants hug his hips. He loves his belly and his pecs

Eijirou telling Katsuki how much he loves it when Katsuki sits in his lap. He likes his small waist and his slim calves. Loves his hands and his arms and his shoulders. Ugh and he /loves/ Katsuki’s cooking so much. Best provider, best Alpha.

The first time Eijirou goes into preheat and it last for like five days becuase he hasn’t had a heat since he presented and because Ei recognizes Katsuki as his mate, Kat’s body starts prepared and his balls start getting /heavy/ with spunk.

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This thread is sloppy and messy but I need it to get out of a block sooo I’m sorry

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But of course Ei doesn’t want to be touched during preheat so Katsuki’s poor balls just ache and swell until Eijirou finally calls out for him. Katsuki passes out multiple times during his heat and wakes up with Eijirou still fucking himself on his cock.

“Ei please, no more baby.” But Eijirou just whines and puts a hand on his swollen belly where his womb is holding all of Katsuki’s cum. He moves up Katsuki’s body and straddles his face.

Katsuki doesn’t fight it. Just opens his mouth and sticks his tongue out. Ei makes a happy sound and sits on his face, rocking his hips and mewling in pleasure, “Best Alpha.” Katsuki groans and clings to Eiji’s huge thighs.

Eijirou fucks himself on Katsuki’s tongue, leaning down and shivering at how his belly presses against Kat’s hard body. He leans down and cups Katsuki’s balls, licking over them even as his Alpha whines.

“More, I need more,” Eijirou pants hard, lapping at wrinkled skin.

Katsuki wakes up, tucked into Eiji’s nest a glass of water and some painkillers on the bedside table. He’s sore all over and he can hear Ei in the kitchen. He tries to get up and whines because Eijirou had even fucked him a few times and fuck he’s a monster.

Ei brings him a tray that Kat usually serves him Sunday breakfast on. Eijirou is all big smile, belly still heavy with cum. He looks heavily pregnant with a big litter of pups and so proud of the food he made. Katsuki falls in love with him again. Proud of the monster he’s become

-II-

Just know Katsuki left lots of bites on the middle of Ei’s back from fucking him doggy style on not being about to reach his neck.