#also just found out rivers voice is also tanjiro and now all i can think of is that meme thing he did | Explore Tumblr posts and blogs

arigatouiris · 5 years ago

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animal instincts // inosuke x reader

Author’s Note: Another draft pick hahahahah. I headcanon that Inosuke is like this when he’s in love~ My poor misunderstood rough boi who deserves nothing but the world! I hope ya’ll like this, I put some effort into this one hahahaha. Thanks for reading!!

Word count: 4069

Pairing: Hashibira Inosuke x Reader

Warnings: fluff, slight spice (things get a bit heated here UwU) idk, slight angst, SPOILERS FOR THE KIMETSU MANGA

Zenitsu had a question plaguing his mind ever since (y/n) (l/n) came into his life. Not that he didn’t try wooing her and asking her to marry him, no, she turned him down rather decently and kindly, which forced him to think of her as a good friend. She was a demon slayer herself, having hailed from the same training that Kanao went through.

As sweet and loving as she was, (y/n) could be just as violent; albeit, Zenitsu and the gang had only seen this side when she fought demons. Her violence was through a silent battle that she knew she would win, and her swordplay was fascinating to the eye. Her mother was a dancer, somewhat similar to Tanjiro’s father, and her mother had taught her everything she needed to know about dance.

However, life wasn’t too kind. (y/n) lost her mother when she was 12 and had been training under Shinobu to become a demon slayer since. She had learned the breath of the flower from Shinobu, but developed her own style scheme by performing different moves through dance. It was, to say the least, impressive.

(y/n) and Inosuke shared a rather weird relationship.

The first time they met was in between their missions. All four of them were surrounded by a total of seven demons. Inosuke stepped in wanting to be the one to take down everyone, but quietly, (y/n) held him back (almost yelled at but the second Inosuke’s gaze met hers, he grew strangely quiet, which was unlike him).

“We need to plan this out. When you’re cornered, you don’t attack head-on. That’s suicide.”

She turned to Inosuke’s mask and grinned, “You’re better alive than dead, right?”

Zenitsu didn’t miss the fuwa fuwa that came out of his boar friend right then, but he was shitting his pants for something else entirely. It was after that did she introduce herself, rather peppily, and seemed like the most happy-go-lucky person they had ever laid their eyes on. Inosuke seemed particularly soft with her, which was very unlike him, but no one made any comment about it.

“So Inosuke, why did you become a demon slayer?” (y/n) asked, with a chirpy voice.

Zenitsu and Tanjiro watched as the white puffballs around Inosuke grew in number but the male grunted and walked away, leaving (y/n) there with a confused but happy smile.

“What happened?”

Zenitsu hit himself on the forehead.

The thing that Zenitsu’s mind was plagued with was this: How would Inosuke behave if he was in love with someone?

For this, he’d need to understand how animals behaved. When an animal finds a potential mate, the male of the species would perform a series of activities in order to impress the female of the species. Like, in birds, the male bird would perform a wide range of dance moves or hops to impress the female, who would display her interest by signalling in and chirping accordingly.

Cut to what they were doing a few weeks ago. They were at the butterfly estate, all four of them, and Tanjiro and (y/n) were talking about him selling charcoal for a living. She was a good listener, and for Tanjiro, it was nice to be heard for a change. Perhaps, in Inosuke’s mind, Tanjiro was another male boar, showcasing his skills (Zenitsu wondered if ‘kindness’ can count as a skill) and (y/n) was considering him. Inosuke however, had a better skill—brisk loudness, and the ability to have anyone’s eye on him for longer durations of time because he was just that distracting.

“(y/n)!”

Ah yes, he also never forgot her name for a strange reason, but she only thought that was because he didn’t deem her a threat.

(y/n) were right, in a way.

She turned her head toward Inosuke who was holding his two swords near the courtyard. Zenitsu stood a few feet away from where (y/n) and Tanjiro sat, and watched with an unimpressed expression on his face. This wasn’t amusing in the slightest for the blond, for he had seen men pile up over women and behave in a way they otherwise wouldn’t do. But, in Inosuke’s case, it was definitely...weird.

Upon receiving (y/n)’s attention, Inosuke flipped his blades around in the air and did a few stunts, causing (y/n)’s eyes to widen with absolute amusement. Tanjiro smiled a tad bit, before turning to a disgruntled Zenitsu, and understanding thus what was going on.

“Whoa, that’s amazing, Inosuke!” (y/n) said, clapping her hands together.

Tanjiro noticed the white fluff balls come out of the boar boy’s head as his actions suddenly stopped. He might have been raised an animal, but Tanjiro’s heart melted at the realization that Inosuke craved the feelings of attention and kindness from people around him, just as much as he wanted to prove himself superior. Inosuke felt a range of things with the two of them, but with (y/n), he certainly felt softer. And whatever the reason might be, Tanjiro believed his friend deserved it—the boy was pure at heart.

Coming back to the theory Zenitsu had. Tanjiro approached the boy that evening before having a quick word with him over Inosuke’s obsession with impressing you. Both of them knew that it was more than a crush, but it was also quite out of character. While Tanjiro could swallow Inosuke’s need to be softer with her, Zenitsu thought Inosuke believed it was a competition.

“Well,” Tanjiro pondered, “It might be, in his head. That was how he was raised and that’s how he thinks? Maybe, if we don’t prove a threat to him, he’ll learn better on understanding how to communicate his feelings.”

Zenitsu scoffed, “That idiot won’t know what feelings are if it hit him on his face like a brick. He thinks like an animal!”

Tanjiro chuckled, “Doesn’t mean animals can’t love,” He turned to spot Inosuke and (y/n) in an animated conversation about butterflies, “Most often, they love better than the rest of us.”

Therefore, the two of them decided to watch Inosuke. Zenitsu did it for his own amusement, but Tanjiro enjoyed merely understanding his friend’s nature. There were three things that Inosuke had to fall under if he were in love with (y/n)—and this was all based on observation. Tanjiro knew how animals thought and behaved to a fair extent, and with his knowledge, analysing Inosuke’s behavior around her seemed like the perfect study.

#1. One mate is territorial over the other.

Zenitsu approached (y/n) one evening, wanting to call her over for dinner. She turned to the blond before waving at him, and having him sit beside her.

“Hi, Zenitsu-kun. Is there something you need?”

He wondered where his boar friend was at that second. There was no point to this exercise if Inosuke wasn’t around. Not that he minded having a conversation with (y/n), she was sweet. He turned to her after realizing Inosuke wasn’t around and wondered what she thought of him.

“So, Inosuke,” She blinked at his words, “He’s weird, right?”

“Not at all. I think he’s really sweet.”

Zenitsu blinked, “Really? Even though he doesn’t understand a lot of social cues? It’s because he was raised in the mountains—”

“I find that bit fascinating, actually. Even though he was raised in the mountains, he’s so kind.”

“How is he kind?” Zenitsu grumbled.

(y/n) blinked at the blond’s question.

“Do you...not like Inosuke-kun?”

Zenitsu shook his head, “It’s not like that, I just think he’s too much sometimes. Abrasive and rash—it’s like taking care of a loud kid!”

She giggled, “I like that about him! Keeps things lively.”

Zenitsu wasn’t sure now on who the weird one was. With (y/n) defending Inosuke like her life depended on it, it was certain that even she had a soft spot for the boy. But, he couldn’t tell if it was built out of sympathy or romantic feelings like he had. She was just kind, maybe, she defended Zenitsu behind his back (although this thought made him swoon on the inside).

“Where is he anyway?” (y/n) grumbled, frowning a bit.

It was at that second when Tanjiro came to the courtyard. (y/n) greeted the brown haired boy before blinking up at him.

“Tanjiro-kun, have you seen Inosuke-kun?”

Tanjiro hummed before saying, “Hm, I think he left with Kanao-chan somewhere?”

Zenitsu ‘ah’ed before understanding where the boar boy had gone now. Kanao and Inosuke had been training together for a bit, it wasn’t strange since Inosuke always wanted to get stronger than the others. With Tanjiro having beaten Kanao in that little game, Inosuke wanted to do the same. The boy thought everything was a competition.

“Oh?”

Tanjiro almost didn’t notice it, but it was good that he was great at capturing certain scents. Growing up with so many siblings had him understand how to differentiate between the scents of various emotions. When (y/n) stood up, waved to them and left, Tanjiro chuckled, catching Zenitsu’s attention. He wasn’t always certain about a lot of things, but he was sure that he had caught the right scent here.

“What’s so funny?”

It was the scent of jealousy, he thought before shaking his head.

#2. One mate tries to impress the other by being the best they can be.

Zenitsu hated missions, and he especially hated them when he had to go with Inosuke. However, the only thing holding his sanity together was that (y/n) had offered to tag along—since her crow was nowhere to be found. Inosuke was thrilled and secretly so was the blond, because now Inosuke seemed controllable. He didn’t know how it worked, but he was glad that it did.

They were to head to a village to find a demon behind a few missing people. Apparently, these people headed to work one day and never returned—and this being near a river, there were chances that this demon resided under water.

“Can you swim, (y/n)-chan?”

“Yes, actually. I didn’t learn it the easy way, though. Shinobu-san basically threw me into the river and forced me to learn the hard way.” She said, dejectedly.

“When you’re about to drown, your body learns to float!” Inosuke yelled, catching your attention.

“Y-Yeah, I mean, I was the first one to learn too! Inosuke, I also know what plants you can eat from under water!”

“You can eat underwater plants?!”

“Yes! I’ll show you someday! When they’re added into your food, it’s so delicious!”

He couldn’t understand where the fuwa fuwa was coming from now—Zenitsu noticed that the fluffballs were everywhere. He wasn’t sure which mate was trying to impress the other here.

Tanjiro, Zenitsu thought, who exactly is the animal here?

He normally never did this, but Zenitsu was curious beyond belief! Therefore, he shut his eyes, paused for a brief moment and let his ears do the detective work. All he could hear were sounds of two hearts fluttering in harmony, an image stuck to his brain that he couldn’t wipe off (and if he was a softer, more mature individual, he would admit that the image was a rather sweet one), but Zenitsu being Zenitsu hated the fact that his mountain boy friend was in love with a sweet crackhead like (y/n)—who in retaliation was in love with a mountain boy as well.

#3. A manner of softness not seen anywhere else.

It was strange to see Inosuke being quiet—it was either only when he was in deep sleep or deep thought (which was very, very rare indeed). However, the mountain boy grew quiet a lot these days; especially because (y/n) hung out a lot whenever the boys were around. He’d watch her, observing her movements, trying to replicate whatever ‘decent’ moves she made like trying to eat with chopsticks or not wearing the mask as much when she’s around.

In all honestly, it was quite evident that Inosuke tried being a human being around her and it was sweet, Tanjiro noted, that he’d try so hard to accommodate to (y/n).

However, Zenitsu didn’t think it was sweet. He wanted to vomit inside his mouth each time he thought of the boar boy being in love, particularly because it was the sort of love that was rare even for civilized people. The blond always had trouble finding people who accepted him for being who he was, and here was someone like Inosuke—whose personality was somehow revered instead of being shunned.

What the hell is going on? He thought, grumbling, as he witnessed (y/n) crawl over to Inosuke, as if to sneak up on the boy. Normally, Zenitsu would have yelled and alerted his friend, but he just didn’t care anymore—it was comical, and he’d let it be.

“Inosuke!” (y/n) pounced on the boar boy from the back, tackling him to the ground, surprising him.

Inosuke blinked, his face a dark red, before screaming in playful anger.

“What the hell are you doing?!”

“Fight me!”

Inosuke’s eyes widened just for a brief moment before he growled and tackled her back, causing her to giggle and try to escape the boar boy’s advances. Now, he was chasing her around the estate, something little animals do when they play with one another. Tanjiro smiled at the sight before Zenitsu noticed fluffballs come around him.

I’ve had enough of this.

Walking over to his boar friend, he grabbed the boy from the back of his mask before yanking it off in one go. Inosuke would never mind beating the living daylight out of his blond friend, but the expression Zenitsu had just then caused him to still his movements. (y/n) paused before blinking up at Zenitsu, tilting her head slightly at the sudden halt.

“Zenitsu-kun? Is something wrong?”

“You two are what’s wrong!”

Inosuke growned, “What? You wanna—”

“NO! I don’t want to fight! Do you honestly not see what’s going on here?!”

(y/n) giggled before saying, “Inosuke and I are just fooling around—”

“I thought we were fighting—”

“We are, but it isn’t a fight where we hurt each other.”

“Yes! I was thinking the same thing!”

Zenitsu slapped his forehead. He pointed to Inosuke and then pointed to (y/n). Tanjiro approached them before placing a calm hand on his blond friend.

“You are clearly in love with her and you are clearly in love with him!”

Inosuke didn’t look like he understood what Zenitsu had blurted out, but (y/n) was civilized where Inosuke wasn’t and just then Zenitsu had called her out rather harshly—but, it was the kind of harsh that was perhaps justified. Her eyes widened and she turned to spot Inosuke grab the blond and put him in a choke hold, but her movements stilled. She looked up to Tanjiro who gave her a kind smile before she bit her lip.

Of course she knew she loved Inosuke. Of course, she wasn’t blind. Ever since she first laid eyes on the beast boy, her mind was picked, her heart was his, and her body did things on its own—wanting to impress him, wanting to stand out and make sure Inosuke remembers her name instead of anyone else’s; she wanted to be special to him, and from all her tries, she was bound to know that her feelings for him were nothing short of romantic.

However, could he perceive romance? Could Inosuke know what these feelings were and could he act on them? Was she the only one making the effort here? She turned to spot Inosuke fighting with Zenitsu the same way he was fighting with her and she began to wonder, ‘What if I’m actually no different?’

Tanjiro smelled the sudden hesitance radiating off of her, but before she could get anywhere, he approached her.

“(y/n)-chan, I’m sure Inosuke feels the same way—”

“Tanjiro-kun,” (y/n) wasn’t sure where the sudden hesitance grew inside her. “I just... I need to figure some things out on my own before I...” She turned to spot Inosuke taking off his mask, growling at the blond.

She gave him a soft smile, confusing the hell out of him, before walking back inside the estate.

“Where’s she going?” Inosuke asked, blinking at her retrieving figure.

Tanjiro turned to his friend, curious.

“What do you feel for (y/n)-chan, Inosuke?”

“HAH?”

“That’s what I’ve been trying to get him to talk about! But he keeps tackling me!” Zenitsu yelled from the background.

“What feel for her? She’s (y/n)!”

Tanjiro’s eyes widened almost comically at how Inosuke remembered her name so accurately.

“Why do you remember her name so well?”

“She’s important!”

Tanjiro blinked some more, “Important how?”

Inosuke growled, losing interest in this conversation, “(y/n) is...” He couldn’t find her and that bothered him. He looked to where she had gone off to before frowning some more.

“Inosuke,” Tanjiro’s soft voice broke his reverie. “Do you love her?”

He didn’t know what love was, but there were a few things Inosuke was sure of. Whenever he saw (y/n), he wanted to be around her more—just like the pair of wolves he had come across as a child. The male wolf would wind its neck under the female’s whenever it was cold, and it was something Inosuke saw himself doing with her, and no one else. He remembered the swans dancing around in the water with one another, attaching themselves by every inch of their feathers and Inosuke wanted nothing more than to learn how her skin felt against his.

He recalled the group of monkeys that was led by a strong male and a fat female, which was fat because the male had given her his babies. One day, Inosuke dreamed of having little Inosuke babies with (y/n).

If this was what love was then what Inosuke felt for (y/n) was much, much more.

Growling, he ran off to where (y/n) might have gone, and noticed you sitting by the engawa. Taking off his mask, Inosuke sat beside her without warning, and noticed her red face. His eyes widened when he saw that expression on (y/n)—and all the thoughts he had were starting to vanish. Sure, the animals looked happy and did things he wanted to do, but no animal could compare to how beautiful she looked right then. He gulped before leaning closer to her, smelling her face—unsure of what to do at a time like this. Inosuke didn’t want to scare her, but he was confident that she would not be scared.

Zenitsu did not count a fourth thing that Inosuke would fall under if he was in love. The ability to change and adapt for a certain someone.

“Inosuke, do you... do you know what love is?”

He didn’t, and he sure as hell was scared to tell her that he had no idea.

“What I feel for you... I want to be around you all the time. I want to hold your hand and... and hold you in my arms and touch your hair—”

Inosuke grabbed (y/n)’s hand forcefully before placing it on his hair, but paused when he noticed her wince.

“Did I hurt you?”

(y/n) smiled warmly, her heart beating rapidly as she shook her head, “I’m not sure if you know what love is, Inosuke...”

He frowned, “I don’t know what to tell you.”

He was an animal, born and raised in conditions that other people could have perhaps not survived. There was very little he knew about the ways of how human beings displayed affection. However, there was one way he was sure of—one way that could perhaps show her what he felt. Prove to her that whatever this love emotion was, it had nothing on him.

Because what Inosuke felt for (y/n) was far, far stronger than some stupid emotion.

He leaned forward and kissed her, grabbing the back of her hair. (y/n) had no idea where he had learned how to kiss, and even if he knew what this meant, but a second later, Inosuke’s tongue darted downwards to her neck, biting it lightly, marking the texture of her soft skin. His hand was firm behind her head and he pulled lightly, pressing her to him—before leaning back and capturing her lips again.

(y/n)’s eyes were wide and she was almost breathless; unsure of how to react, her hands slowly travelled to his hair and she buried her fingers in his hair, marvelling at how soft his locks were. She kissed back slowly, and did not miss the passion Inosuke brought forth with what he was doing. Once again, he pulled away before reaching her collarbone and biting lightly. The second (y/n) let out a soft moan, Inosuke stopped.

“Do you feel warm?”

Her face rivalled a spider lily. Of course she felt warm!

Inosuke looked at her and smirked, “A male marks his female, in the mountains, this is how beasts mark their mates.”

(y/n)’s eyes widened. Mate? She blinked before grabbing his face and studying it, almost enthralled with what she had learned.

“Inosuke, there is so much you need to learn!”

But, the second she thought of how his tongue travelled to her neck and collarbone, maybe, he didn’t have to learn much after all.

When Inosuke’s firstborn son turned out to be a bit timid, Inosuke acquired the ability—acting out on empathy. (y/n) watched him, hold his five-year old son after the boy had fallen off a small tree and hurt his knee.

“This is going to sting,” Inosuke said, before putting some pressure on to the little boy’s wound, along with a raw medicine he had made to prevent any infection.

The boy cried instantly, which caused Inosuke to turn to (y/n), who was cradling their third born daughter, with a smile on her face. He wouldn’t reveal to a great many people that watching his son wince and cry hurt his chest more than anything ever had, but watching (y/n) smile back at him, as he sat there with a smile on his face made him appreciate everything that was soft in the world.

He had stopped asking people to fight him because honestly, it turned exhausting. After having three children, Inosuke had had enough—he wanted to mellow down and sit back, smell his wife’s hair and watch their children grow. He often wondered how Tanjiro and the others were doing, and he thought of how the life in the city was not one for him at all. He hoped that their paths would cross one day, but turning to (y/n), as their youngest daughter cooed in (y/n)’s arms, Inosuke was at peace.

“What are you staring at!? Fight me!”

Inosuke narrowed his eyes and turned to his three-year old girl, whose expressions and personality rivalled his own. He heard (y/n) chuckle from the back before ignoring her and getting up, grabbing the little girl by her ankle and having her dangle upside down.

“This—”

“Stop it, runt.”

Oh, but he would not deny how much he adored that feisty little spirit of hers. She growled before pinching her father’s hold, causing him to abruptly let her go, as she landed on the ground with a ‘thud’. She got back up and rushed to her father, hands around his neck, Inosuke grumbling before picking her up. If only he had understood that his cries ‘fight me’ were a sign of being touch-starved, he’d have avoided a great many unnecessary fights.

“Let me go—”

“Shut up.”

Inosuke’s hand wrapped around his small daughter’s form before running it up and down on her back, calming her down. The child’s eyes widened before she quieted down, and returning her father’s embrace.

A small tug at his sleeve made him look at his son now, who gave him a needy look as well. Inosuke knelt down and picked up his boy, before hugging both of them, standing like a tree in the middle of the house.

“Never thought you’d turn into such a softie, Inosuke!” (y/n) giggled, before expecting a shout or a loud comeback.

Instead, her eyes widened when she saw him smile at her, each hand cradling his children, as he watched her, with the softest eyes he could conjure.

Honestly, she could never let down the way he told her he loved her each day, not through words, not through mindless actions, but merely by looking at her like his entire life belonged to her. For a man raised in the mountains, Inosuke knew how to love better than the rest of humanity itself.

If only Zenitsu could see the man now, she thought, chuckling.

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