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dies irae

Summary:

“Hello? You’re now calling Itoshi Sae.”

Sae, this is Rin. I need you to do a favor for me.

Sae blinked. “A favor? This is new. Are you really my brother?”

Fuck you.

“Ah, no, you’re my brother alright.”

── ✩ ₊ ⁺ ⋆ ☾ ⋆ ⁺ ₊ ✧ ──

Rin rarely called Sae, only doing so if he's in danger or if Rin wants to do some sibling bonding time.

To Sae's surprise, Rin called him because of a favor.

Sequel to camminare sulla linea.

Notes:

you didn't ask. but anyways 🤣

i lowkey wanted to make a sequel to the vampire rinsagi fic i did about a week ago, so here it is :) main ship here is ryuusae but like rinsagi is also implied (because im a SIMP for rinsagi <33) unlike last fic, i did this when i was awake so. hurrah for my slightly better sleeping schedule.

sadly this fic can't be read as a standalone, as this is a sequel to camminare sulla linea by yours truly :) this takes place RIGHT after the end of camminare sulla linea so. yeah. but i mean, if you want to read it as a standalone, im not forbidding you to do so :D

this fic will feature violence and blood (duh), also a little offensive stuff coming from the bastard ("wh0re" and "slvt"), but n e ways, i hope you enjoy <3

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

Work Text:

It was past 1 am. 

Sae was a creature of the night, meaning that in the damned hours where mortals would usually sleep, he would be active, sometimes casually walking around, sometimes prowling in search of food to quench the thirst for that beautiful, sanguine liquid. He hated the sun — partly because it would literally incinerate him alive if he dared to set foot into the sunlight, and partly because he wasn’t a morning person. At all .

As a member of the highly-esteemed Itoshi family, he would spend his days in the Itoshi estate, where most of his family members would be. However, due to his and Rin’s significant others being less-than-likely candidates to be accepted by the strict and rule-upholding family members, they usually lived far away from the estate, somewhere in the middle of bustling Tokyo.

Rin barely called him. He only called whenever he had plans to meet up to have some brotherly bonding (which was rarely ever the case), or if he was in danger.

So, imagine Sae’s surprise and confusion when his phone rang, and the contact showed that it was his brother who called him. 

“Hm? Who’s that?” A mop of blonde hair with electric pink highlights popped into his line of sight. Neon pink eyes looked curiously towards the phone screen, an amused grin appearing on his face shortly after. 

“Oh? Your brother decided to call you?” The vampire beside him hummed in amusement. “Wonder what’s going on?”

“Who knows? Also, you’re too close, Shidou.” He pushed away the chuckling vampire from him.

As much as Rin was a nuisance in his life, Sae would admit that, at times, he would be worried for Rin’s wellbeing. They were centuries old, sure, but Rin was younger than him by a whole two centuries. The big brother within him couldn’t help but worry for his younger brother as he pressed the green call button. 

“Hello? You’re now calling Itoshi Sae.”

Sae, this is Rin. I need you to do a favor for me.

Sae blinked. “A favor? This is new. Are you really my brother?”

Fuck you.

“Ah, no, you’re my brother alright.” 

He could Rin groan a couple of curse words underneath his breath. “ Anyways, about that favor I was talking about.

“Yeah, yeah, go ahead.” Sae hummed, setting the phone on speaker mode so that Shidou could also hear the conversation.

Y’know how there was a party for the hunters, right? So, Isagi was walking home after that party, then he got ambushed by some kind of vampire drunkard. ” 

“A drunkard?” Shidou raised an eyebrow. “Vampires drink?”

“We do, but we have to manage our alcohol intake if we don’t want to end up being super drunk, until we aren’t able to control our bloodlust.” Sae explained to Shidou, then turned back his attention to Rin on the phone. “So? What happened to Isagi?”

It was silent for a while. “ That bastard bit him. A forceful mating bite, if I’m not mistaken.

Sae’s grip on the phone subconsciously tightened. He hated to admit it, but he had a slight soft spot for the young vampire hunter. Not in the same kind of affection and love as Rin has for Isagi, but it’s more of curiosity and keen interest, in that he’s able to change Rin from a stoic and cold vampire, to somewhat of a softie around him. Besides that, he knew the code of conduct for vampires in the modern world, agreed upon by basically every elder in their community. They’re prohibited to harass humans using their superhuman strength and powers and whatever.

And they’re absolutely prohibited to inflict a forceful mating bite onto a human without consent.

Sae caught a glimpse of Shidou beside him, features oddly stoic and flat rather than his usual expressive self. “How’s Isagi now?”

He’s…fine, he’s fine. ” Rin mumbled. Sae could hear the slight fear in his voice. “ I cleaned his wounds, and in order to prevent the internal pain from the forceful mating bite, I broke the bond with my own mating bite. He’s sleeping now.

“That’s good.”

“…So? What do you want us to do, Rin-kun?” Shidou asked. 

If it’s not too much, I want you to try to track that drunkard down. ” 

“Oh? Out for revenge, I see.” Shidou mumbled, an amused grin appearing on his face. “Well, personally I don’t mind, it’s been quite some time since we have to put bastards like him in their place.”

Neon pink eyes gazed at bright teal ones. “What do you say, darling?”

Sae nodded. “I don’t mind, yeah. Do you want anything in return? An eye, a limb maybe?”

I don’t need souvenirs. The lingering scent of that bastard’s blood on your clothes is all I need. ” Sae, in all his life, had never heard Rin’s voice being filled with this much vitriol and hatred before. “ Though, I would like a photo of his body.

“My my, someone’s a savage. Very well, consider it done, Rin-kun. We’ll be done with the job in about…” Shidou trailed off, glancing towards Sae. 

“Three days. It shouldn’t take much time. In fact, I think I already know who attacked your Isagi.”


It didn’t even take two days before Sae and Shidou were able to track down the guy. 

The fortunate thing about Isagi is that he had somewhat of a photographic memory, so he was able to slightly remember the man’s face despite Isagi’s fuzzy mind from drinking one too many vodka shots offered by that electric yellow-eyed friend of his. The vampire hunter, now in a much better condition than he was a few days ago, described to Sae and Shidou about his appearance. A bulky, muscular build, the scent of booze, tattoos all over his arms and some on his neck, and the distinct aroma of cigarettes that would always come out of his mouth. 

As Sae predicted, it was the vampire he had in mind back when Rin first contacted him for the favor. He didn’t know his name, but he had heard tidbits of rumors and gossip about the vampire going around and harassing humans, whether by sucking them dry of their blood, or forcefully mating them without their consent. 

Sae absolutely hated those kinds of people.

“My, look who decides to show up. Have I earned that much honor and recognition to the point that a member of the Itoshi family decided to lay their eyes on my supreme self?” The vampire chuckled, the flushness on his face giving an indication to Sae that he’s absolutely high. 

Not only is he an alcoholic and assaulter, he’s also an arrogant piece of shit. 

“Well, you could say that, you did make yourself known.” Sae suppressed the urge to roll his eyes, taking out a silver knife from his pocket. “Just for the wrong reason.”

He savored the vampire’s reaction turning from amusement and cockiness, to fear and terror as he caught a glimpse of the silver blade. The vampire started running away, but the bastard failed to notice a pair of neon pink eyes that glowed dangerously in the darkness. 

Shidou immediately leaped from the top of the alleyway down, pouncing onto the escaping vampire and pinning his arms on the rough pavement below. A maniacal smile spread across Shidou’s face as he strengthened his grip on the bastard’s wrists, the smell of fear radiating off of the vampire. 

“Hey, get off of me! What did I do wrong?!” Fuck, he could smell the cigarettes from here. Sae internally gagged at the unpleasant smell.

“You know what you’ve done, you bastard .” Sae felt his eye twitching. “You know you broke the code of conduct that explicitly said to never inflict a forceful mating bite on humans.”

“Hm? Oh, that brat? He’s merely a weakling, ripe for the mating. He’s young but frail, however his blood was alluringly sweet that I simply couldn’t resist. I don’t mind mating him, he’s probably a whore, maybe a slut too. You should be thankful that I became his salvation.” The vampire laughed.

To be completely honest, he was slightly glad that Rin wasn’t here now. If he were to be with Sae and Shidou, Sae was absolutely certain that Rin would go on a torturing frenzy with the vampire. Unlike Rin however, Sae was more composed. 

Still, the white, hot rage was getting dangerously close to spilling over and spurring Sae into an anger-induced frenzy of his own.

Sae walked over to the laughing bastard, cutting his happiness short as he plunged the silver knife into his throat. Rivers of blood immediately trailed out of the bastard’s mouth as he spluttered and coughed out that sanguine liquid. 

“Shut the fuck up, you vile, despicable asshole .” Sae hissed, his grip on the hilt of the dagger getting tighter. Slowly, he plunged the dagger deeper into his throat. “You know what happens to people like you.”

“Please! You can’t kill me.” Even at the brink of death, he still had the guts to shoot a cocky smile at Sae. “That whore deserved it. He’s mine .”

“He’s not yours. ” From there, Sae could only see red. 

From his vision, he could see Shidou’s expression momentarily change into confusion as he looked towards Sae, but he too, gave him a twisted smile. Bringing the two arms above the bastard’s head and clutching it with his left hand, his right hand, now free, rummaged into his pocket. When he pulled his hand out, it was now equipped with a gauntlet with silver claws, something that Shidou had made his primary weapon as. 

“My, I haven’t used this in so long.” Shidou gazed at the gauntlet with awe. “Such a shame I have to use it to do some dirty work. But, we have a favor to complete, so I don’t mind getting my hands a little dirty.”

Shidou began carving scars into the bastard’s body, the silver making contact as the claws sank into his body, slowly running through and breaking skin, blood gushing out of the burning wounds. Sae relished in the agonizing screams he was letting out, as well as pleas of mercy. Alas, his pleas fell on deaf ears, as Shidou mercilessly carved more scars, plunging silver claws into his limbs and body, and even on his neck that was previously scarred by Sae’s knife.

Shidou laughed as he sped up, drawing up more scars on the body as the screams died down, the bastard’s eyes rolling back and the tension on his body leaving. Blood splattered everywhere, mostly ending up on the pavement, and some on both Sae and Shidou’s clothes. Sae didn’t really gave a fuck about his clothes. He could always wash it later.

It wasn’t long before he succumbed to his injuries. Shidou rose from his crouching position, running the bloodied gauntlet’s fingers through his hair, caking it in blood. “There you have it. He’s dead. But, who’s going to clean up this mess?”

“Don’t worry, I’ve already contacted the backup.” Sae replied. He first snapped a photo of the man’s body, all bloodied and marred with scars, then sent it to Rin. The younger brother immediately went online.

Thank you Sae , he messaged. 

Sae smiled softly.

No problem, he replied.

“So, our work here is done?” Shidou walked over to Sae, grabbing Sae’s chin to turn his head towards him, then planted a sloppy kiss on his lips. Sae was momentarily caught in the daze of Shidou’s alluring kiss, the taller vampire pulling away with a string of saliva still bridging their spit-covered lips.

“Mhm. It’s done.” The Itoshi family member said as he pocketed his phone. “Let’s say we go home now, shall we?”

“Sure, sure. Can we have kitchen sex?”

“You horny bitch. After we clean up, okay?”

“Fine.”






 

Notes:

btw. this is one of those rare times that a fic is not inspired / doesn't have a title from a kpop song. i too was shocked.

(dies irae = "day of judgement" in latin)

kudos and comments are truly appreciated!!! <333333

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