Bakudeku/Dekubaku Oneshots

Love and Heat

Omegaverse
Beta Bakugou Katsuki
Omega Midoriya Izuku

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“Hah?!”

Izuku’s face started turning red from the chin up, like some kind of human thermometer. “Can I—”

“I heard you the first time.” Katsuki squinted at him. “Are you fucking nesting?”

“Kacchan!” Izuku admonished, like he wasn’t the one who just asked if he could have Katsuki’s sweaty gym shirt.

“Holy shit, nerd. How close to heat are you?”

Izuku sighed and put his face in his hands. “Probably a couple days.”

Katsuki hadn’t ever really thought about Izuku in heat. Like, sure, he missed a few days of school every six months like most alphas and omegas, but it wasn’t like Katsuki spent his time wondering about all his classmates’ heats or ruts every time they were absent.

“Do you—” What the fuck, he can’t just ask an omega if he needs anything for his heat. Might as well just proposition him outright. “—want a couple?”

“Eh?” Izuku tilted his head. “A couple days?”

“No, a couple shirts.”

Izuku’s eyes went huge and round and started welling up with tears. “Really?”

“Oh, for—stop crying, nerd!”

He wiped his eyes ineffectively and blubbered, “Sorry, sorry, I just always get so teary before my heats..”

Katsuki waited with an incredible amount of patience while Izuku calmed himself down.

Finally Izuku sniffed one last time and cleared his throat. “Yes, please, I would love a couple of your shirts.”

“Here.” He closed his gym locker and handed him the undershirt he’d initially asked for. “I’ll get you another one after class.”

“Thanks, Kacchan!”

Katsuki tried not to blush at the care with which Izuku folded it before putting it in his bag. It’s not like it was a big deal, people shared nesting materials with friends all the time. He probably had a bunch of Pink Cheeks’ and Speed Racer’s stuff in his nest too.

After class, as promised, he knocked on Izuku’s door with more shirts in hand. He hadn’t been able to decide if he should bring one with a lot of scent or not—too much might overwhelm Izuku, but not enough might disappoint him. He’d ended up bringing two for him to pick from—one was the shirt he wore for pajamas every night and one was from his laundry pile that he’d only worn for a few hours.

Izuku opened the door and his eyes lit up when he saw it was Katsuki. “Kacchan! Hi!”

He held up the shirts. “Brought two. Don’t know which one you want.”

Izuku grabbed both of them, inhaling deeply to test the scents. He lingered longer on the pajama shirt, but was clearly hesitant to give the other one back as well.

Katsuki rolled his eyes. “Do you want both?”

He blushed but said, “If you don’t mind.” He opened his mouth a few times, like he wanted to say something but wasn’t sure how. “Do you want to see?”

Katsuki stared.

“I mean! You don’t have to! I just thought—since you gave me your shirts—it’s not a big deal—”

“Sure,” he interrupted. “I’ll see your nest.”

It was Izuku’s turn to be shocked.

Of course, that nerd couldn’t stop running his mouth for more than a few seconds, so he recovered pretty quickly. “Are you sure? I didn’t mean to pressure you?”