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English
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Part 2 of KakuHida Week 2025
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Published:
2025-10-21
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1,018
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1/1
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In the Oyabun's Room

Summary:

It wasn’t uncommon for an oyabun to have personal relations with their bodyguard.

Notes:

Day 2: Yakuza AU

I wanted some KakuHida where Kakuzu is a successful leader of a Yakuza and Hidan is his foul mouthed bodyguard whom his people are wary of.

Hope you enjoy ^^

Work Text:

There were only two people in the underworld that he had any shred of respect for; the Oyabun Hashirama Senju and his beloved spouse, Madara Uchiha. 

Mainly because the former had beaten him within an inch of his life when he was just starting out on the yakuza scene. Not because he wanted to kill him back then but because he needed him to know who had the final say in this town. His spouse was very much the same and he knew then that it would be a losing battle to try and take over their territory. 

From there he built his own yakuza; going after smaller territories with the assistance of strong allies. 

Kakuzu quietly sat by the large windows that overlooked the city below, a cigarette between his lips and pulling his legs in as he wore a simple dark green bath robe. Manicured green nails drum on his arm chair as lights flash between signs as ads played on large screens attached to old buildings and the people below were tiny little figures with no discerning features. A saucer and a bottle of sake sits on the small table beside him as he takes in another deep drag. 

He built his empire from nothing; from being an underpaid goon for a boss now six feet deep from his own hands to becoming an oyabun who struck fear into those who spoke of him like a boogeyman of the underworld. He releases smoke from his lips as the lit end illuminated the scars on his cheeks; the Glasgow smile that he hid from the public eye with medical masks so as not to be spotted or singled out. 

“Fuck you’re so hot…”

Green eyes looked away from the view of the city to the view in front of him.

The young man before him in black leather pants that hugged his hips just a little too tight, white t-shirt with a torn collar that gave a little peak at the tattoos on his chest. He may be shorter than the oyabun by a few inches, but he had nicely toned muscles and the piercings in his ears, one in his eye brow and a stud one through his nose. 

He looked as if he belonged in a street gang, not being the bodyguard of a powerful figure in the underworld. Many who saw him with Kakuzu couldn’t help but wonder if he was some kind of piece the oyabun kept with him as arm candy or if he was some low level grunt he was letting tag along with him; there were very few who knew the truth of their arrangement. 

“Hmm…do you want me to give you a treat, Hidan?” he purred down at him, eyes half lidded as he set his legs back down and stretched them forwards. 

A smirk of pearly white fangs greeted him as those fuchsia eyes took the form of the oyabun before him, “Please..” 

It wasn’t uncommon for an oyabun to have personal relations with their bodyguard. It would be a surprise to his organization considering Hidan was rude and tended to run his mouth until he was either punched in the jaw or given a glare that could melt ice depending on what was going on. 

Perhaps he was fascinated by the way Hidan looked at him; like he was something to kneel before and worship like the niche god he served. Maybe he just enjoyed showing off that such a handsome creature was as bloodthirsty and violent as Kakuzu is. 

At least when he was Hidan’s age of twenty-two he was. Now in his late fifties he very much was a bit more selective with the targets of his bloodlust. 

Kakuzu crooked his finger for Hidan to move forwards, his green eyes almost glowing from the outside lights reflecting in them. He chuckled when calloused tattooed hands caressed his ankle, then gently over his calf as the bodyguard rested his cheek on Kakuzu’s knee. Those eyes look up at him with something akin to obsession as those calloused fingers trace patterns along his thighs. 

“Such a desperate little dog,” Kakuzu rumbled as he ran his fingers through the soft hair, “Was the raid from earlier not enough of a treat for you?”

Hidan shuddered, “You know it wasn’t..please…” his eyes took in the oyabun in all his glory as the bath robe parts to show the cleavage down to his belly button with only his thighs and crotch covered. 

He leaned into the touch as if it was the only thing keeping the silver haired pale man at bay from completely devouring him. No matter how many enemies he killed, how often he protected the oyabun in the heat of battle, none of it compared to the high of being so close to this man. He used to think no feeling would ever be able to compare to the high of smelling blood, sweat and tears on the battlefields of broken down cars, broken streets and warmth of dying bodies.

Then he became the bodyguard of Kakuzu; the only man in this world able to bring him to his knees like a desperate man before his god. 

“Poor Hidan..” he cooed almost teasingly, “A needy dog that doesn’t know when he’s had enough,” he moved from caressing the hair to now cup under his cheek, his thumb caressing over his bottom lip, “How shall I reward you tonight for the massacre of the Taki syndicate?” 

A rumbling hum left Kakuzu when Hidan responded by kissing the tip of his thumb with a full body shiver, “Mm…I want to worship you…please let me do what I can to worship you sir…i want to so badly…” his voice is cracking from a growl to a whine as he was so close, yet so far from what it was he desired. 

A deep chuckle left Kakuzu as he leaned towards him with eyes half lidded as his pushes some of his long dark brown hair behind his ear.

“Then best get to it no?”

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