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I Can Explain

Summary:

"Whatcha got there, buddy?"

"Huh?"

"Do you have a nest in your room?"

"Uhhh, I can explain"

Or Denki goes into preheat and absolutely needs to be by Hitoshi to feel better.

Notes:

Hey guys! This is the first in a series of fics I want to make about the Aizawa-Yamada family and Hitoshi and Denki's relationship. Please let me know your thoughts, I appreciate comments! Enjoy!

(See the end of the work for more notes.)

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All day Denki had been irritable and uncomfortable. He couldn’t find a comfortable position to sit in, he couldn’t find the right clothes to stop the irritation on his skin, and he definitely couldn’t fathom the idea of being away from Hitoshi.

That led him to where he was now, seated in his boyfriend’s lap like a spider monkey as the alpha worked on homework at his desk. Denki stuck his nose into the side of his neck and took a deep breath, inhaling the eucalyptus and lavender that his boyfriend produced. It calmed his nerves a little, but not enough.

“You doing okay there, babe? Don’t take this the wrong way, I do love your cuddles, but you’re not usually this clingy,” Hitoshi said while rubbing his back and nuzzling the side of his face.

“I don’t know, I just want to stay here with you.” The omega gave his alpha big doe eyes.

“I’m babysitting Eri later today, so I can’t stay here all day no matter how much I want to.”

Denki lets out a whine that doesn’t sound like himself, raising a sense of concern in Hitoshi. Denki was usually a ball of sunshine and didn’t usually make such distressed sounds. Hitoshi continued to rub his back in hopes of reliving his distress and not wanting to push his omega.

“Do you want to come with me? I can ask my dad if he’s okay with you watching Eri since it’s a Saturday.”

That made Denki brighten up. “Yeah do that!”

Hitoshi lets out a laugh at the complete one-eighty in Denki’s attitude.

“Okay, I’ll call him, but I’m going to do it in the hallway, so you gotta get up just for a minute.”

The sour look on Denki’s face returned, but he let Hitoshi pick him up and lay him on his bed before he grabbed his phone and gently closed the door to his dorm behind him.

The minute Hitoshi is out of sight, Denki can feel his cramps returning and his skin feels even itchier than earlier when he woke up. The only form of relief was being in his boyfriend’s room and being surrounded by his scent.

To Denki, it feels like Hitoshi is gone for hours when in reality he was only gone for several minutes.

“He says you can come with. Wanna spend the night?
The excited squeal that comes out of Denki makes Hitoshi’s mouth quirk up.

---

As the duo takes the short walk to the Aizawa-Yamada household, a flush starts to creep up Denki’s neck. It was a crisp October day, so there was no reason for Denki to feel this warm. It wasn’t that it was unbearable, just uncomfortable and weird and it definitely put him in the mood to whine.

“Hito?”

Hitoshi quirks up an eyebrow at his name.

“Carry me?” Denki asks and flutters his eyelashes.

The pleading look almost makes Hitoshi give in to the ridiculous request, but being able to see his house at the end of the street makes him rethink.

“We have barely a quarter of a mile left to walk. The second I pick you up, I would just have to put you back down.”

Denki pouts. “And?”

“Denks, I love you so much and if you really need me to, but you are a capable young hero, and I know that you can finish the walk.”

Denki just continues to pout. He feels sluggish and not like himself and he just wants to be held by his boyfriend for Pete’s sake!

“Okay, how about this, I will carry your stuff for you and hold your hand?”

“You really do care about me!”

Hitoshi lets out a laugh and nudges his shoulder with his own, even though he has to bend down a little in order to do so.

Hitoshi shoulders his boyfriend’s backpack and slips his hand into the blond’s. A little zap of electricity shocks his hand, but at this point he’s used to it and doesn't even bat an eye. Hitoshi takes a moment to enjoy being in the presence of his boyfriend in the perfect cuddling weather. Fall had always been his favorite season, but ever since he started getting to hold the other boy whenever he was cold, Fall became even better in his eyes.

Hitoshi takes his keys out of his pocket and unlocks the front door when they make their way to the porch. Denki is immediately engulfed in the comforting scent of a pregnant omega with hints of Hitoshi and the other two in the household. Something about the milky undertones will calm any young omega, and Denki can feel some of the tension leave his shoulders as he takes a deep breath.

A heavily pregnant Shouta sits at the kitchen with Eri as she works on some math problems. Even though she was supposed to be in third grade, she lacked an education growing up, but she was catching up quickly to peers.

“Hey Dad.” Hitoshi greets Shouta before tilting his head towards the stairs.

“I’m just gonna run up Denki’s overnight bag upstairs and get everything set up.” Hitoshi knew that Denki would end up sleeping in his bed as usual, but his parents didn’t need to know that.

“Hey Mr. Aizawa, Eri!”

After taking a breath in and catching a whiff of Denki’s scent, Shouta looked slightly surprised and got up out of his seat. Being seven months pregnant, it took him a moment to get up which had Denki racing to his side. Shouta leans into Denki and nuzzles the side of his neck while holding up a hand to his forehead. The blond boy leans into the older omegas, touch, feeling comforted.

“Mr. Aizawa, if you wanted to scent me you could have just said so,” Denki jokes, putting on his signature smile.

Shouta gently smacks the back of the boy’s head at the joking nature, which makes Denki let out a little laugh.

“You’re going into preheat.”

That made Denki drop his smirk and widen his eyes.

“What! But this isn’t usually how I feel in preheat, I just thought I was sick.” Shouta could see the panic setting into his student’s eyes.

“You’ve haven’t had a full blown heat yet, have you?” Shouta gently strokes Denki’s hair in an attempt to calm his fast breathing, letting out more of his scent.

“No,” Denki replied bashfully.

With how much the symptoms of a heat had been drilled into his head, he figured he would have known immediately if he was going into heat. Omegas would have faux heats as they were maturing until their body decided it was ready. Faux heats that would be completely sated by being in the presence of friends and family members. At seventeen, Denki was a little early to have a real heat, but it is different for everyone.

“You’re okay, Denki. How are you feeling?”

“I don’t know… I’ve been kinda achy and off all day, but really I just want cuddles and affection.” Denki could feel his face heating up, still finding it hard after all this time to admit to his teacher and boyfriend’s Dad that he wants to snuggle with his son.

“You’re not that warm yet, which means you’re still very early on in the preheat. Do you want me to drive you back to the dorms? Or I can call your mom to come pick you up.”

“Do I have to?” Denki gives Shout the biggest puppy eyes he has ever seen, and he lives with Hizashi which is saying something.

Shouta sighs. He just reminds him of his husband so much.

“I’ll talk to Hizashi. Sit down with Eri.”

Shouta waddles up the stairs slowly until he runs into his son in the hallway.

“Come with me.”

“Okay?” Hitoshi questions, but doesn’t push his Dad for any clarification.

They make their way down the hall to where Hizashi is blow drying his hair in the bathroom.

“Denki’s going is in his first real preheat.” Leave it to Shouta to not beat around the bush.

Both alphas’ eyes widen, and Hitoshi definitely looks to be on the brink of panicking.

“Woah, should we take him back to the dorms?” Hizashi questions his husband. Hizashi is going to leave it up to his omega mate to decide what to do in this situation.

“No, he’s okay and nothing’s starting anytime soon. He just wants to stay here with Hitoshi.” Shouta and Hizashi both reach over to ruffle their son’s hair at the same time.

Shouta gently but firmly turns his son’s head to look at him in the eye.

“Listen to me, Hitoshi.” The young alpha nods and gulps, obviously nervous.

“We’re trusting you to take care of him and respect him while we’re gone,” Shouta says sternly while narrowing his eyes. He can complain all he wants about his loud, blond student, but he knows that he cares about him deeply and would never want anything to happen that he was uncomfortable with.

That’s when Hizashi decides to pipe in. “Yeah, no funny business, mister!”

“Dad!”

“No, we’re serious. You’re young and you’re going to be watching Eri all night. If you don’t think you can behave, we’re taking Denki back to the dorms immediately.”

“Do we need to have the talk again?” Hizashi jokingly threatens.

Hitoshi shivers at remembering the awkward conversation that he had with Hizashi when he first went into his faux rut. Hizashi had way too much fun.

“No, no, please no. I get it, can he stay?”

Hizashi and Hitoshi both look at Shouta expectantly.

“He can stay.”

Hitoshi lets out the breath he didn’t realize he was holding. At the mention of his boyfriend going into preheat, his alpha has been screaming at him to get back to him.

As the three make their way back downstairs, Denki snuggles up to Eri who definitely enjoys the affection. For the past year, Denki has thought of the girl as his own little sister and loves to spend time with her.

Hizashi helps Shouta slip on his shoes since his belly doesn’t let him lean down very far anymore. Once on his feet again, Shouta makes his way to his daughter to press a kiss on her forehead and ruffle Denki’s hair. He gives his son a pointed look before mouthing at him to behave. Shouta has no doubts that Hitoshi will be respectful and responsible around Denki, but he also wants him to have a healthy amount of fear.

With that, Shouta and Hizashi wave goodbye and leave for their reservation.

---
Several hours later found the three of them cuddling while watching a movie on the couch. Denki finally felt at ease again as he was in his alpha’s arms with a cuddly child in his lap. Eri still had the gentle milky smell of a child, and it made Denki’s mind wander. He couldn’t help but picture a future with Hitoshi and several pups. Denki could picture small pups with purple hair and golden eyes, running around outside and playing with each other. Denki got so far into thought that he didn’t notice Eri nod off in his lap.

Hitoshi quietly reaches for the remote and pauses the movie. Denki missed his arm around his shoulders as he gently picked up Eri from his boyfriend’s lap.

“I’m going to take her upstairs.”

Denki nods and watches as his boyfriends cradle his little sister to his chest and nuzzle her hair. He feels his heart clench at how cute the scene was. Hitoshi would be such a wonderful dad, comforting and helping his pups grow. Denki wanted it so bad right now.

Woah, that was the first time the omega’s ever had these types of thoughts before.

Hitoshi waltzes back into the living room as Denki pulls a fuzzy blanket around his shoulders.

“You look like you’re thinking pretty hard there, baby. What’s on your mind?”

“Us having pups,” Denki blurted out. He slaps a hand over his mouth. Curse his lack of a filter. While he was okay with having these thoughts in the privacy of his own mind, he could feel the embarrassment creep up his body now that Hitoshi knew what he was thinking.

Hitoshi stops in his tracks with his eyebrows raised, but laughs at the same time.

“I-I think that’s the heat talking, I’m sorry I don’t want to make you uncomfortable. Let’s forget I ever said that!” Denki rushed, slightly panicking.

Hitoshi reaches out and gently rubs the scent glands in his wrist against Denki’s neck. He looks at Denki with so much love in his eyes. He loves his awkward little omega.

“It’s okay, it was really cute actually.”

Denki looks up through his eyelashes and sighs in relief.

“Really?”

“Really.”

One minute Denki was sitting on the couch and the next he was slung over the alpha’s shoulder, being tickled.

“What are you doing!” Denki squeals and laughs at his boyfriend’s antics. Hitoshi was so calm and rational most of the time, so it was fun to see him act like a lovable idiot.

“I’m taking you upstairs, it’s time for you to sleep.” Hitoshi starts climbing up the stairs with his omega in his arms. His alpha was satisfied by the thought of having his omega all to himself.

“Oh, I see. So, you’ll carry me when you want to, but not when I don’t feel like walking. Some alpha you are,” Denki jokes around.

Hitoshi lands a gentle pat on the curve between his plump ass and the back of his thigh.

“Okay you little asshole, that’s enough of the sarcasm.”

“You love it.”

“Yeah, I do.”

Denki tries to turn his head around and lift himself to see the look on Hitoshi’s face, but to no avail.

“Ugh, we are being so gross today. Way too lovey dovey.”

“Are you complaining?”

“No, keep going,” Denki whispers.

Once in Hitoshi’s room, the alpha places his omega on the bed before closing the door behind him.

“Let’s get ready for bed. You wanna take the bathroom first?” Hitoshi says, leaning over the blond.

“Yeah thanks,” he says leaning into his boyfriend to peck his lips.

Denki picks up his back and closes Hitoshi’s bathroom door behind him. He pulls out his pajamas from his bag, except he’s disappointed by the sweatshirt and long sweatpants on top. While he is definitely feeling better than earlier, he still feels an itch and slight burning in his skin. There is nothing that anyone could do to get Denki into these heavy clothes. If he knew it wouldn’t make Hitoshi uncomfortable, he would try to sleep naked.

Denki keeps digging around in his bag. He usually forgets to unpack his bag after sleepovers with his pack so there’s gotta be something - aha!

Denki pulls out the pair of small pink shorts that he borrowed from Mina during their last sleepover. Perfect. He slides the little shorts up his tan legs and pulls out the matching crop top. The soft fabric is gentle on his skin and lets him cool the heat radiating off of him.

When Denki opens the door back to Hitoshi’s room, the alpha’s back is to him, clicking on the fairy lights that Hizashi and Eri had gotten him for his birthday.

“Hey so -” Hitsohi cuts off and turns bright red against pale skin.

“You okay, baby?” Denki laughs.

“Yeah. Yep. I’m totally good, where did you get your pajamas because you need to wear those every night,” Hitoshi rambled while raking his eye, respectfully, over his boyfriend.

“You like them?” Denki says striking a pose.

Hitoshi nods.

“Mina.”

“Remind me to thank her the next time I see her,” he laughs.

Hitoshi wraps his arms around his boyfriend before pulling him down onto the bed with him. Hitoshi pulls the comforter over the both of them before settling in with Denki on his chest. A tongue runs a strip up Denki’s neck, making him shiver.

“Sorry, I should have asked first. Sensitive?”

“Yeah, but I liked it.”

“Goodnight, baby.”

“Goodnight.”

They both lay back down and close their eyes, ready to finally sleep after an exhausting day. Sleep should come easily to Denki. He’s been irritable and agitated all day, but he for some reason just can’t get comfortable. And gosh the cramps! They’re starting up again. All day, he’s just wanted to snuggle his boyfriend, and now that he is, something isn’t right. For the next five minutes, Denki shifts around, tossing and turning.

Hitoshi leans over and turns on the lamp. “Are you okay, Denks?”

“No,” Denki replied with tears threatening to fall from his eyes. He’s frustrated and just wants to cuddle with his boyfriend. Stupid heat.

Hitoshi runs his thumb over the omega’s cheek when a tear escapes.

“What’s going on?”

“I don’t feel good, like something’s itching under my skin.”

“Okay, can I do anything for you?” Hitoshi was starting to panic. He has never had to comfort an omega like this and doesn’t know how to make him feel better.

“Water?”

“Okay you got it, I’ll be right back.” Hitoshi rushes out of the room, almost tripping on a loose sock on the floor.

Denki looks around the room before his eyes settle on the empty corner in the room. He knows what he wants now. Dragging the comforter and pillows off the bed, he throws them into the corner along with the blanket he brought from his own bed. Denki reaches under Hitoshi’s bed to where he knows he keeps the spare futon and sleeping bag. Denki isn’t even thinking about what he’s doing to put together his nest, just doing what feels right. He pushes the pillows to the edges of the nest and covers everything with the comforter. Decent.

Denki looks up to his boyfriend entering the room with a glass full of water.

“I need some of your sweatshirts.”

“My what?”

“Your sweatshirts,” Denki says like it’s the most obvious thing in the world.

“Umm, okay?” Hitoshi throws a couple his way, and Denki brings them up to his face and inhales. A frown settles onto his face.

“Hito, these don’t smell like you,” He says with disappointment in his voice.

“Uhh, well they were just washed.”

“Can I have some of your dirty sweatshirts?” Confusion settles on Hitoshi’s face.

“Dirty?”

“Yesss, Toshi, dirty,” Denki whines. Hitoshi could tell Denki was getting nervous and felt bad for making him feel unsettled.

“Never mind, it was stupid,” Denki rushes out before Hitishi could say anything.

Hitoshi’s eyes fall on the pile of blankets and pillows in the corner. Everything suddenly clicked into place. He was nesting! Growing up in foster care, Hitoshi never had the opportunity to share his parent’s nest. He grew up without one, and after he was adopted by his dads, he outgrew his Dad’s nest very quickly. He’s going to help Denki make the best nest he can.

He immediately dumps out his hamper and throws the omega several sweatshirts, watching as Denki’s face lights up.

Denki brings them up to his face, but this time when inhales, he pulls away and releases the scent of content omega. Hitoshi’s alpha felt pleased at making the omega happy.

Denki continues to shift the blankets and clothes around until everything is in place and he has the perfect nest. Denki has never made his own nest, only sharing his mom’s nest when he was a pup, but this is the best nest ever.

Hitoshi sits awkwardly on his bed and plays with the hem of his shirt. He tries to think of all the nesting rules and etiquette he’s learned throughout his life. He can’t mess this up for Denki. The omega looks completely content for the first time all day.

“Come in?” Denki asks with a small smile.

“Are you sure you want me in your nest? I don’t want to ruin it,” the young alpha says, rubbing the back of his neck.

“Of course I want you in my nest, you’re my alpha.”

Hitoshi swears he feels his heart skip a beat. That was the first time Denki has ever called him his alpha. He never thought he would ever have a partner because of his scary quirk, but Denki has proved his insecurities wrong.

Denki grabs Hitoshi’s hand and pulls him into the nest on top of him. Everything falls into place for the omega.

“I need you to stay here and keep me pinned,” Denki whispers into his ear. Hitoshi can feel his face flush.

“I’ve felt anxious all day, but like this and in the nest, I feel safe.”

Hitoshi leans down and captures Denki’s lips between his own. They both know that Denki can take care of himself just fine, but knowing that he trusts him enough to feel safe means a lot to the alpha.

“I love you.”

“I love you, too,” Denki says, finally feeling like himself again.

They lay there in silence for a few minutes just enjoying each other’s comfort before Denki has a thought that Hitoshi needs to know immediately or else he’ll explode.

“Wanna hear my impression of Bakugou getting stung by a bee?”

“Oh for the love of God, go to sleep, Denki,” Hitoshi laughs, but at least he’s happy that his boyfriend’s back to normal.

---

Denki wakes up to fingers gently combing through his hair and kisses peppering his face.

“Good morning, Sparky.”

“Mmmh.”

Hitoshi continued to nuzzle his neck against Denki’s hair. Denki’s cramps are gone and the heat under his skin has been dulled to a low simmer.

“I smell pancakes, you interested?”

“Hell yeah I am!” Denki exclaims, jumping out of his nest. He’s about to open the door when Histoshi throws a large sweatshirt over his head.

“Oh, haha, thanks babe.” In all honesty, Denki forgot that he was in very small and very pink pajamas. He doesn’t know if he could confidently look his teachers in the eye if he came downstairs without the sweatshirt.

They make their way downstairs, Hitoshi resting his hands on Denki’s hips, but lifting them once they enter the kitchen.

“Hey little listeners!” Hizashi exclaims the welcome while flipping pancakes.

Shouta sets the mixing bowl on the counter before embracing Denki in a hug. Shouta has absolutely never been the touchy feely type, but the pregnancy hormones are making him act more upon his omega instincts.

“How are you feeling?”

“Oh, soooo much better!” Denki responds, releasing happy omega undertones in his normal honey scent.

Shouta quirks an eyebrow at his son who flushes under his dads’ gaze.

“I called your parents. They should be here soon to pick you up. You’re excused from class until your heat breaks, and Hitoshi can bring you your homework when you get back to the dorms.”

“Thanks, Mr. Aizawa.”

Shouta nudges his scent glands one more time on Denki’s head before letting him go.

“Okay, now dig in boys!” Hizashi says excitedly before setting down a huge pile of pancakes on the table.

After breakfast, Denki packs up his bag upstairs to get ready to leave. Reasonably, he knows that he can’t stay here for his heat, but boy does he want to.

Hitoshi grabs a spare blanket from his closet and scents it intensely.

“Here, Denks. For your heat.” Hitoshi says, holding out the blanket and rubbing the back of his neck. Denki smiles at his boyfriend’s nervous tick.

Denki looks at the alpha with stars in his eyes. He rushes over and wraps around his middle. Hitoshi tenses for just a second before relaxing into his embrace and wrapping his arms around his shoulders, pulling him extra close.

“I’m kinda nervous,” Denki admits quietly.

“You’ll be okay, I know it. Besides, I’m just a phone call away and I’ll see you in just a few days.”

“Boys!” They hear and break apart from their embrace.

Hitoshi walks the omega downstairs, carrying his stuff and stops in to press his lips to his temple before Denki walks to his mom’s car.

Hitoshi watches as he walks away until Hizashi claps a hand onto his son’s shoulder.

“Hey, we’re really proud of you for being such a good partner.” Hitoshi blushes, but doesn’t deny how happy he made Denki. His alpha was puffing his chest at his success.

Hizashi ruffles his hair before leaving his son alone.

---

That night, Hitoshi sits at his desk doing homework when his parents walk past his open door. He looks up when he notices that the footsteps stopped in front of his room.

"Whatcha got there, buddy?" Hizashi asks.

"Huh?"

"Do you have a nest in your room? I don’t think I’ve ever seen an alpha build a nest before, but you do you, kid"

"Uhhh, I can explain,” Hitoshi rushes out, his face beet red.

Shouta leans close to his husband’s ear and whispers.

Understanding is evident on Hizashi’s face.

“Ooooh, carry on,” his blond Dad says with a wink.

When they leave, Hitoshi looks over to the nest in the corner and can’t help but smile.

Notes:

Thanks for reading!

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