Future Diary Marriage Wars! ~The Reincarnated Yandere Bride and My Never-Ending Popular Phase School Rom-Com~
Amano Yukiteru just wanted an ordinary school life. But when a mysterious email starts predicting his day with terrifying accuracy—down to the stray cat and the sold-out melon bread—"ordinary" goes out the window. Then Gasai Yuno appears: beautiful, perfect, and utterly obsessed. She knows his blood type, his favorite foods, the mole above his eyebrow... and she's convinced they're destined to be married. As if that weren't enough, Yukiteru's childhood friend Mirai insists the future isn't set i
Future Diary Marriage Wars! ~The Reincarnated Yandere Bride and My Never-Ending Popular Phase School Rom-Com~ - The Mysterious Senior, Narumi Seira ~The Diary's Punishment and My First True Feelings~
April light spilled through the classroom window, bleaching the scribbles on the desk a pale white. Amano Yukiteru sat at his own desk, his phone face-down, staring at the black screen.
(It's coming again.)
Since that night, every morning at exactly six, the phone buzzed against his desk. No sender. Just "Today's Yuno Check." And on the last line, the words that surfaced in red.
*The obstacle will be eliminated. To protect Yukiteru-kun.*
The screen was off, but those words clung to the inside of his eyelids and wouldn't let go.
"Hey! You didn't sleep again, did you!"
Yukiteru's shoulders jerked. He looked up to find his childhood friend Hinata Mirai standing there, her chestnut bob swaying, hands planted on her hips. The running-shoe keychain hanging from her neck caught the morning light and flashed.
"M-Mirai..."
"Those bags under your eyes are something else. You could befriend a panda."
Mirai laughed and dropped into the seat beside him. Her bright brown, slightly droopy eyes peered at his face with open amusement.
"I-it's not like I didn't sleep..."
"Liar. You've always been the type who can't sleep when something's bothering you. What happened?"
The laughter drained from her voice. Yukiteru dropped his gaze.
(It's about Yuno.)
(It's about the diary.)
(It's that Mirai's name was written as an elimination target.)
But there was no way he could say it.
"...It's nothing."
"Hmm."
Mirai studied him for a long moment. Then she pulled something from her pocket and set it on his desk.
A convenience-store onigiri. Split in half.
"Eat. You barely touched breakfast, did you."
"Wait, but that's yours..."
"I already ate. That's the leftover. Don't be polite."
She grinned.
"When you're down, it throws off my whole rhythm too. Come on, eat."
Yukiteru took the onigiri. It was still warm in his palm.
"...Thanks."
"You're welcome. Oh, right. So what's the deal with you and Gasai-san?"
Yukiteru's hand froze.
"...Why are you bringing up Yuno?"
"Because lately, that's the only thing you ever worry about."
Mirai propped her elbow on the desk and smirked.
"Gasai-san's been glued to you lately. You walk to school together in the morning, you're together all afternoon too. I've seen it plenty of times."
"Th-that's..."
"I mean, it's always been a mystery why you're so popular, but Gasai-san seems serious. The way that girl looks at you is something else."
Mirai said it with a laugh. But somewhere deep in her eyes, there was just a flicker of something earnest.
"Hey, Yukiteru. Has Gasai-san done something to you?"
"Huh?"
"Whenever she comes up, you make this terrified face."
Yukiteru touched his own cheek without thinking.
(Was I making a face like that?)
"...She hasn't done anything."
"Okay. Then that's fine."
Mirai didn't push further. Instead, she clapped him on the shoulder.
"Well, if something happens, tell me. I'm your childhood friend. When you're in trouble, it's my job to help."
Looking at Mirai's smile, the knot deep in Yukiteru's chest loosened, just a little.
(Mirai's always like this.)
(When I'm down, she stays by my side, smiling.)
"Thanks, Mirai. Really."
"Whoa, thanking me twice? Is it gonna rain today?"
"That's rude!"
They both laughed.
But.
Yukiteru never noticed the pink-haired girl standing in the classroom doorway.
Gasai Yuno watched the two of them, smiling. Her fingers traced gently along the silver bracelet on her left wrist.
After school.
The chime rang, and classmates filed out of the room. Yukiteru stayed in his seat, watching Yuno's back as she gathered her things.
(This morning's Yuno was the same as always.)
(Smiling, talking to me, like nothing had happened.)
(But that night, Yuno was...)
Her own photos plastered across an entire wall. Her expressionless face as she kept writing in the diary. That cold whisper: *You belong to me alone. I won't let you go.*
(Was that the real Yuno?)
(Or was that wrong too?)
Yukiteru pulled out his phone. Lit the screen.
*Today's Yuno Check.*
*16:30 — Please come to the rooftop.*
That was all.
(The rooftop...)
(Who's calling me there?)
(Yuno? Or someone else?)
Yukiteru exhaled and stood.
When he opened the door to the rooftop, April wind rushed past him. A blue sky stretched on forever. Down in the schoolyard, the club students looked tiny.
(No one's here...?)
Yukiteru walked to the fence. The town of Kagamihara spread out below. In the distance, the Kagami River glittered.
"Amano-kun."
A voice came from behind him.
Yukiteru's heart nearly stopped. He turned.
The girl standing there had black hair—straight, falling to her shoulders, so glossy it seemed to swallow the light. Slender silver-gray eyes. A thick paperback in her hands.
"Uh... um... who are you?"
"Narumi Seira. Third year. I serve as vice president of the student council."
Seira spoke in a flat, even voice. Her expression was utterly unreadable.
"Student council vice president...? Why would someone like you want me?"
"Let me give you one warning."
Seira closed her paperback and looked him straight in the eye. Her silver-gray eyes caught the sunset and glinted coldly.
"Don't let the diary run your life."
Yukiteru's breath caught.
"Wh-why do you... know about that..."
"I've known about you for a while. Amano Yukiteru, diary holder. The only person receiving Gasai Yuno's 'Today's Yuno Check.'"
"Wait, how do you know all that...?!"
Yukiteru took a step back.
(Who is this person?)
(This is the first time we've met, and she knows way too much about me.)
Seira's expression didn't change, even seeing him rattled.
"I'm one of the future diary administrators. I quietly mediate disputes between diary holders."
"Future diary administrators...?"
"An unofficial upperclassmen group. Naturally, you wouldn't have heard of us."
Seira rested a hand on the fence and looked out at the distant town.
"Amano-kun. Do you know what happens when a diary holder's emotions become twisted?"
"...No."
"When a diary holder's intense emotions accumulate, interference comes from 'the other side.' The diary's contents distort, and black stains appear in the holder's vision. And then..."
Seira paused for a beat.
"The diary itself passes judgment on its holder."
"Judgment...?"
"Yes. The diary is a mirror that reflects its holder's emotions. When those emotions twist too far, the diary punishes its holder. What exactly happens, even I don't know. But..."
Seira's silver-gray eyes wavered, just for an instant.
"In the past, I was caught up in a conflict between diary holders, and I lost my closest friend."
Yukiteru was speechless.
Seira's voice stayed flat. But the weight of her words sank heavily into his chest.
"...What do you mean?"
"Two years ago. My best friend was a diary holder. She got tangled up in a romantic relationship with another diary holder, and her emotions twisted completely. She kept writing that person's name into her diary as an elimination target. And then one day, she went up to the rooftop and..."
Seira stopped there.
"...I'm sorry. That's enough."
"No. You need to know."
Seira turned back to face him.
"A diary holder's emotions, left alone, will always twist. And twisted emotions destroy the holder and everyone around them. I monitor diary holders so that the same tragedy never happens twice."
"...Why are you telling me this?"
"Because you're the one most strongly affected by Gasai Yuno's diary."
Yukiteru's words caught in his throat.
"Gasai-san's diary is made of her feelings for you. The more you run from her, the more her emotions twist. And then the diary's judgment will..."
Seira cut herself off and looked into his eyes.
"Please, really look at Gasai-san."
"...What?"
"She just wants to be loved by you. But the shape of that love is twisted. If you truly look at her, if you notice her real feelings, the diary's distortion might stop."
Seira opened her paperback.
"I wanted to tell you that you have an option other than running. That's all."
"...An option other than running."
"Yes. What you choose is up to you. But if you keep running, eventually someone will break. I guarantee it."
With that, Seira walked toward the rooftop door.
"Wait!"
Seira stopped. She didn't turn around.
"...What do you want me to do?"
"I'll say it to you one more time."
She spoke without turning.
"Don't let the diary run your life."
The door closed quietly.
Yukiteru was left alone on the rooftop.
The wind blew. The blue sky was beginning to stain with sunset.
(Really look at her.)
(An option other than running.)
(Don't let the diary run your life.)
Seira's words spun around and around in his head.
(Did I ever really look at Yuno?)
(At the true feelings behind her smile?)
(Was I even trying?)
Yukiteru pulled out his phone.
*Today's Yuno Check.*
*16:30 — Please come to the rooftop.*
Beneath it, new words were surfacing.
*Warning: Gasai Yuno's emotions are severely distorted.*
The next morning.
Yukiteru was changing his shoes at the shoe lockers when someone tapped his shoulder from behind.
"Yukiteru."
He turned to find Mirai standing there. No usual smile—her face was dead serious.
"M-Mirai? What's with that look?"
"You're running from Yuno-chan, aren't you."
Yukiteru's heart lurched.
"Wh-why..."
"I can tell. How many years do you think I've been watching you?"
Mirai stood directly in front of him. Her droopy brown eyes looked straight into his.
"These past few days, you haven't met Yuno-chan's eyes once. When she talks to you, you answer like you're somewhere else. After school, you bolt straight home. What else would you call that but running?"
"...But it can't be helped."
"What do you mean, it can't be helped?"
"Yuno feels... you know... really strongly about me..."
"I know. The whole grade knows. Gasai Yuno is head over heels for Amano Yukiteru."
Mirai sighed.
"But you can't run."
Yukiteru lifted his head.
Mirai's voice was unusually serious, earnest.
"If you don't face her, nobody's gonna be happy. Not Yuno-chan, not you. And besides..."
Mirai paused for just a moment.
"You don't actually hate Yuno-chan, do you."
"...Huh?"
"If you hated her, you wouldn't be agonizing this much. You care about her. That's why running hurts so much."
Yukiteru couldn't say a word.
(Mirai sees right through me.)
"Yukiteru."
Mirai poked him in the chest with her index finger.
"Go. To Yuno-chan. Talk to her properly."
"...But what do I even say?"
"Your feelings. How you really feel about Yuno-chan. That's all you need."
Mirai grinned.
"You've always been indecisive, easily swayed, dense about romance. But when it counts, you do the right thing. I know you."
"Mirai..."
"If anything happens, text me right away. I'll come running."
With that, Mirai pushed him on the back.
"Go on, go! If you don't go, I can't focus on club either!"
"O-okay! Stop pushing!"
Shoved along by Mirai, Yukiteru stepped outside the school building.
(Mirai's right.)
(Seira-senpai said it too.)
(That there's an option other than running.)
(I have to face Yuno.)
Yukiteru drew a deep breath and let it out.
And he decided: after school, he would go to Yuno's house.
After school.
Yukiteru stood in front of Yuno's house.
A perfectly ordinary two-story home. But the curtains were drawn tight, and the whole house seemed to be holding its breath.
(This is my first time coming to Yuno's house.)
(That night, I only saw it from outside.)
Yukiteru pressed the intercom with a trembling finger.
Ding-dong.
No answer.
He pressed again.
Ding-dong.
"...Yes."
A small voice came through the speaker.
"Uh, it's me. Amano. Yukiteru."
"...Huh?"
A long silence.
Then the front door slowly opened.
"Y-Yukiteru-kun...? Why..."
Yuno stood there, stunned. Long straight hair reaching her waist. A small ribbon tied at the side. Her big pink eyes stared at him like she was seeing something impossible.
"...I want to talk."
Yukiteru's voice shook.
Yun
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