Kusari
Hyoudou-san had been acting strangely all day.
That alone did not mean much. He was often loud, restless, distracted, or embarrassingly transparent for reasons that changed by the hour. He was a boy of his age with too much energy, too many feelings, and very little instinct for disguising either.
This was different.
Not because he was louder.
Because he was not.
He had spent the day wrong in a quieter way.
He had lost whole seconds staring at nothing. He had turned red at the wrong moments. He had looked toward the door of the classroom twice when no one had entered, as if waiting for someone who was not coming. Once, during lunch, Kiryuu said something ordinary about the Occult Research Club, and he had nearly choked on his food.
Argento-san had noticed all of it.
That, too, was not unusual.
What was unusual was how carefully she had moved around him afterward. More gently than usual. More deliberately. Like she had decided that whatever had happened was hurting him, and if she took one wrong step she might make it worse.
She had not asked him direct questions.
She had not drawn attention to him.
She had simply… been present for him. Made herself smaller where he looked unsettled. Smoothed over the moments when he faltered. Watched him with the earnest, worried focus she used when she wanted to help and did not know how.
I did not know what had happened between them.
I knew that something had.
By the time the final bell rang, the shape of the day had worn at my patience.
I gathered my bag and stood with the others as the room dissolved into the normal end-of-class noise of scraping desks and careless voices. Matsuda and Motohama were already talking too loudly. Murayama and Katase were discussing something with Kiryuu in a cluster near the windows. Students flowed around us in ordinary lines toward ordinary futures.
Hyoudou-san looked toward me, then away, then toward Argento-san, then finally seemed to remember there was a route we took every day after classes.
“We should go,” he said.
“Yes,” Argento-san answered quickly, as though she had been waiting for him to say it.
Kiba-san rose from her seat with her usual effortless composure. “Then let’s not keep Buchou waiting.”
That made Hyoudou-san straighten automatically.
We left the classroom together.
The late afternoon halls of Kuoh Academy carried the usual layered noise of students leaving: shoes against polished floors, conversations drifting open and closed, club invitations, laughter, the occasional teacher reminding someone not to run. The familiarity of it only made the wrongness in our little group more obvious.
Hyoudou-san walked half a pace too quickly, then slowed as if he remembered he was not alone, then sped up again at the next turn.
Argento-san adjusted herself to that rhythm without comment.
Kiba-san noticed.
So did I.
“You are both quiet today,” Kiba-san said mildly as we stepped out into the open air between buildings.
It was not a challenge. Simply an observation.
Hyoudou-san rubbed the back of his neck. “Am I?”
“Yes,” Kiba-san said.
Argento-san’s fingers tightened around the strap of her bag. “I-Issei is probably just tired.”
Hyoudou-san blinked at her.
The pause that followed said more than either answer had.
I looked from one to the other, then ahead again.
The path to the old school building had already become familiar to me. The angle of the walkway, the trees near the courtyard edge, the point where voices thinned as most students peeled off toward other clubs or toward home. I knew where the windows of the old building faced, which side door stuck if opened too fast, how the light changed in the corridor by the stairs as the sun lowered.
That should have been all I paid attention to.
Instead I was also listening to silence.
Not the absence of sound.
The shape of things people were not saying.
Kiba-san let the subject rest after that first probe. Useful. She was good at that—good at noting a weakness in a line without driving into it immediately. Hyoudou-san looked grateful and embarrassed at once, which was at least more honest than pretending he had not been acting strange. Argento-san stayed half-angled toward him, her concern so obvious that it almost became a shield.
What had happened had happened to both of them.
Hyoudou-san looked rattled. Argento-san looked as if she had decided that being rattled herself would be selfish.
That was familiar in a way I did not enjoy.
We reached the old school building.
The air there always felt slightly different from the main building—not haunted, not dramatic, simply quieter in the way that spaces became quiet when most of the school had decided they no longer mattered. The stairs creaked differently. The corridors held sound a second longer. Shadows gathered earlier near the corners.
As we climbed, the pressure in the group changed again.
Hyoudou-san slowed near the top of the stairs.
He had not looked at me once since leaving the classroom, but I could feel that he was aware of me in the way people were aware of witnesses they had not chosen.
Argento-san glanced from him to the clubroom door at the end of the corridor.
Kiba-san’s posture straightened by a degree so small that anyone not already watching her would have missed it.
Something was waiting.
I knew that before we opened the door.
Not because of magic.
Because rooms arranged by power felt different from rooms left to themselves.
When Kiba-san opened the clubroom door, the first thing that met us was not sound.
It was stillness.
Buchou was already seated near the window.
Himejima-san stood beside her in her usual place, one hand resting lightly near the teapot as if this were an ordinary afternoon in the clubroom. Toujou-san sat in her usual chair, posture small, gaze flat, but the line of her shoulders had gone tight.
And near the center of the room—
Grayfia Lucifuge stood like a verdict already delivered.
For a moment, the rest of the room disappeared behind her presence.
Silver hair. Perfect posture. A maid’s uniform that did nothing to lessen the authority in her presence. Not beauty softened into kindness. Beauty sharpened by discipline until it became another kind of weapon.
Everything in me went very still.
I knew her on sight, though I had never stood this near her before. Not personally. Not from any introduction. The Underworld had too many names at the top for those names not to collect weight.
Grayfia of the House of Lucifuge. The Silver-Haired Queen. Sirzechs Lucifer’s wife. Buchou’s sister-in-law. A woman powerful enough that no one in the room needed to ask why she had been allowed to stand there and make the air hers.
Hyoudou-san stopped just inside the door.
“Grayfia-san…?”
His voice was caught between surprise and alarm.
Argento-san lowered her head immediately, almost on instinct. Kiba-san stepped inside with smoother control, but I saw the shift in her eyes. Calculation. Attention.
I entered last and closed the door quietly behind us.
Buchou looked at us.
No—looked at Hyoudou-san first. Her gaze looked pained while looking at him, but just for a moment
That alone was enough to confirm what I had already suspected.
Something had happened.
Her posture was flawless. Too flawless. The kind of composure that existed because anything less would crack.
Himejima-san smiled.
She should not have been able to look dangerous while smiling that gently.
“Kiba-chan. Issei-kun. Asia-chan. Kusari-chan,” she said. “You’re here.”
The welcome sounded ordinary.
Nothing in the room was ordinary.
Toujou-san’s gaze slid from Hyoudou-san to me to Grayfia and settled nowhere for more than a heartbeat.
Grayfia inclined her head with exact politeness. “Thank you for coming.”
That was all.
No threat. No wasted pressure.
Just perfect form.
And because it was perfect form, it was more suffocating than bluntness would have been.
Hyoudou-san stepped in farther. “Did something happen?”
Buchou drew breath.
Grayfia’s gaze shifted.
“Ojou-sama, do you want me to explain the situation?”
Buchou rejects Graydia’s offer with a wave of her hand
“The truth is-”
Then the floor lit.
The magic circle that opened was not Gremory crimson.
The pattern shifted while it formed, changing into a design I did not know personally but understood immediately from the reaction it pulled from Kiba-san. Her face sharpened.
“...Phenex,” she said quietly.
Flames burst from the circle.
Not enough to burn the room outright. Enough to flood it with heat and make the edges of my sleeves stir. Sparks bit the air. A silhouette stood in the middle of the fire and then stepped through it as if the flames existed to introduce him.
“Fuu, it’s been a while since I’ve come to the human’s world”
He looked exactly like the kind of man who never believed he had entered a room too early or without invitation.
Red suit worn carelessly. Open collar. Hands in his pockets. Handsome in the polished, aggravating way of men who knew it and expected everyone else to account for it.
His gaze found Buchou immediately, and his mouth curved with proprietary warmth that made my skin crawl.
“My lovely Rias,” he said. “I came to see you.”
Buchou’s face did not change. Her eyes had already gone half-lidded in that dangerous way that meant anger was settling into place rather than flaring out.
The Phenex man strolled closer as though he had every right to the room.
“Now then, Rias,” he said, “let’s go have a look at the ceremony hall. The date has already been decided, so we should inspect it before then.”
He reached for her arm.
Buchou shook him off at once.
“...Take your hands off me, Riser.”
Her voice had dropped.
Riser Phenex only smiled wider, entirely unbothered.
I had known what kind of man he was the moment he appeared.
The next breath only confirmed it.
Hyoudou-san moved before anyone else.
“Hey, you” he said, anger already in his voice. “You’re being rude to Buchou. Don’t grab her like that. And what kind of attitude is that toward a girl?”
The room changed again.
Riser turned to him with open annoyance, as though only just remembering the rest of us existed.
“Ah? Who are you?”
The disdain in it was so effortless it almost became impressive.
Hyoudou-san bristled at once. “I’m the servant Devil of Rias Gremory-sama. I’m one of her Pawns, Hyoudou Issei.”
Riser blinked.
Then gave him the emptiest reaction possible.
“Hmm. Ah, okay.”
The insult in that was somehow worse than open mockery.
Hyoudou-san’s face did something pained and offended all at once. Argento-san actually winced for him.
Riser looked back at Buchou. “You didn’t tell your servants?”
“There was no need to tell them.” Buchou said.
“Harsh like always.” He laughed.
Of course he laughed.
Grayfia finally stepped in.
“Hyoudou Issei-sama.”
Hyoudou-san straightened despite himself. “Y-Yes.”
“This is Riser Phenex-sama. A pure-blood High-class Devil. The third son of the House of Phenex.”
A pure-blood High-class Devil.
That, by itself, was enough to explain much of the situation.
But not all of it.
Grayfia continued.
“And he is to be the husband of the next head of the House of Gremory.”
The room went silent.
Stopped.
Even breath became noticeable.
Then Grayfia placed the truth exactly where no one could avoid it.
“He is engaged to Rias-ojousama.”
Hyoudou-san made a sound.
Not a word.
A full-body refusal forced out through his throat.
He shouted in confusion.
Loud enough that even I almost flinched.
Argento-san jumped and then looked mortified for him a second later. Kiba-san went utterly still. Toujou-san’s gaze sharpened into something much colder.
Riser only looked pleased.
I hated him very quickly after that.
Things did not stay in that first shocked arrangement for long.
Tea appeared.
Chairs shifted.
The confrontation re-formed itself into something even uglier precisely because it became formal.
Riser sat beside Buchou on the sofa like proximity itself had already been granted to him by the future. Himejima-san served tea with exquisite calm, though the usual softness in her smile had thinned into something more cutting. The rest of us sat apart, the servants on one side and the noble problem on the other.
That distance was deliberate.
I understood it immediately.
I hated it anyway.
Riser praised the tea.
“The tea made by Rias’s Queen is superb.”
Himejima-san smiled and thanked him with a politeness so exact it almost became a threat.
Buchou had not relaxed by a single degree.
Riser, by contrast, seemed determined to use the room as a stage. He kept touching her—her shoulder, the end of her hair, her hand, the line of her arm—never enough to start an immediate fight, always enough to make the possession visible. Buchou shook him off each time.
He kept doing it.
Hyoudou-san watched with all the subtlety of a knife dropped onto stone.
I could feel the disgust and jealousy coming off him almost physically. It was not difficult to read. Kiba-san noticed too, though she kept her attention outward. Toujou-san looked one step away from deciding she had no further use for restraint.
Argento-san noticed Hyoudou-san more than Riser.
That was revealing.
Once, when Riser’s hand slid too familiarly against Buchou’s shoulder, Hyoudou-san’s expression did something truly ridiculous for a second—some mix of outrage, envy, and lecherous stupidity so obvious that Toujou-san’s gaze cut toward him immediately.
He looked as if he had won some perverted contest none of us knew of.
Argento-san spoke first. “I-Ise-san, did something good happen?”
“...Indecent thinking is prohibited,” Toujou-san said as Hyoudou-san tried to school his face.
Hyoudou-san jolted like he had been caught speaking aloud.
Kiba-san offered him a handkerchief with a composed expression that somehow made the entire thing worse.
“In any case,” she said, “you should wipe your mouth.”
Argento-san, blushing and worried all at once, reached to help before he could manage it himself.
“You were probably thinking about snacks,” she said with painful sincerity.
The shame that crossed his face almost made me pity him.
Then Buchou’s voice cut across the room like a blade.
“Stop it already.”
Silence dropped hard.
Buchou had risen from the sofa. Her eyes were fixed on Riser with open anger now, no longer bothering to smooth it into noble coolness.
“Riser!” she said. “I told you before. I will not marry you!”
At last, something honest.
Riser remained seated, one arm spread casually along the back of the sofa, as though he had all the time in the world.
“Yes,” he said. “You said that before. But that won’t do, Rias. The situation of your household is rather serious.”
“That is none of your concern!” Buchou’s voice sharpened further. “If I am the next heiress of the House of Gremory, then I will choose who will become my husband! My father, my brother, and the rest of the house are rushing this! It was promised that I would remain free until I graduated from university in the human world.”
Riser lifted his cup, then set it down again.
“You are free, essentially. You may attend university. You may do as you like in the human world. You may even amuse yourself with your servants.” His glance across the room made Hyoudou-san go taut again. “But your father and Sirzechs-sama are worried.”
The room changed with that name.
Not because Sirzechs himself was present.
Because power entered whenever his approval was invoked.
Riser continued, voice smoothing into explanation.
“We lost too many pure-blood Devils in the last war. Even now, peace is incomplete. Rivalry with the Fallen Angels and Heaven remains. It is not rare for successors to die and households to vanish. For pure-blood High-class Devils to marry and produce heirs is the obvious answer for the future of Devil society.”
He was not wrong.
That was one of the ugliest parts.
His logic was clean.
Its shape was rotten.
Buchou stood there in her own clubroom being spoken of as necessary breeding stock for the continuation of noble power, and the fact that the argument made political sense only made it worse.
Riser pressed on.
“Your house has only you.”
His tone did not soften when he said it.
“Mine is safe. I have elder brothers. But your brother has already left the House of Gremory. If you do not take a husband, then the House of Gremory could end in your generation.”
Hyoudou-san’s anger faltered for the first time.
I understood that feeling too well.
Riser drank from his cup and went on.
“The newly reincarnated Devils are growing in influence. They are strong, yes, and useful for the future. But if pure-blood Devils vanish entirely, the old noble houses lose their place altogether. This marriage concerns more than one household. It concerns the future of Devilkind.”
The old 72 pillars.
The narrowing number of true noble houses.
The need to secure succession through children born from important bloodlines.
He was laying it all out plainly now.
No romance. No pretense.
A future arranged through usefulness.
I sat very still.
Across from me, Argento-san looked lost. Kiba-san’s expression had gone unreadably smooth. Toujou-san’s gaze had settled on Buchou and had not moved again.
Buchou answered without hesitation.
“I am not going to destroy my house. And I am willing to take a husband.”
Riser smiled instantly, victory rising too quickly in him.
“Oh, as expected of you Rias! Then lets-”
Then she cut across it.
“But I will not marry you, Riser.”
The smile vanished.
“I will marry the one I acknowledge. Even those of the old noble houses have the right to choose.”
Good.
For one brief moment, I wanted to say it aloud.
Riser’s face hardened.
The room hardened with it.
He clicked his tongue softly, irritation now visible where smugness had been.
“You know,” he said, “I also carry the name of the House of Phenex. I cannot allow that name to be disgraced. I did not even want to come to this tiny old building in the human world. The fire and wind here are filthy. For one who governs fire and wind, this place is unbearable.”
Flames began to quickly form around Riser.
“I will take you back to the underworld, even if I have to incinerate your servants.”
His voice changed on that last line.
Heat stirred with it.
The fire gathered at Riser’s back, forming into wings of flame.
I felt Hyoudou-san shift beside me.
Kiba-san noticed first and touched his sleeve once—a small, controlled warning not to move.
He stopped.
Barely.
Buchou’s magic began to form around her in a crimson light, pushing back against the flames.
The argument had moved beyond explanation now.
The room was narrowing.
I could feel the lines of it as clearly as any fight: Riser pressing, Rias-buchou attempting to push back. Grayfia holding the formal frame, Himejima-san and Toujou-san turning colder by the second, Kiba-san poised, Argento-san frightened, Hyoudou-san one insult away from doing something reckless.
And myself—
Understanding too much.
Again, that was the danger.
Not the room itself.
That I was already reading it like a battlefield that might soon become mine.
The heat in the clubroom rose another degree.
No one moved yet.
No one needed to.
The next break in the room was already coming.