The Irregular at Magic High School: Secret Silhouette
In the year 2095, magic is a recognized science. At First National Magic University Affiliated High School, known as 'Magic High School,' siblings Tatsuya Shiba and Miyuki Shiba appear to be just a close brother and sister. However, the look in Miyuki's eyes holds something far beyond familial affection. One rainy night, she realizes the truth: 'I'm in love with my brother, as a man.'
Knowing this love is forbidden, Miyuki locks it deep inside her heart. But then, a new transfer student, Alice
The Irregular at Magic High School: Secret Silhouette - The Transfer Student Who Brings Storms and the Below-Freezing Classroom
That's wrong. This isn't right.
Miyuki sat at her desk in the classroom, staring fixedly at the open textbook page. But not a single character entered her head. She couldn't get last night out of her mind, no matter what.
*(In Onii-sama's arms...)*
Just remembering it made her cheeks burn. Her heart pounded in an unpleasant way. That warmth, that steady heartbeat — it all felt like a dream, yet it had been real. They were siblings. Feeling this way was absolutely forbidden. She knew it was wrong, and yet she couldn't stop.
"Miyuki-san, good morning."
A girl from the neighboring seat called out to her. Miyuki's shoulders jumped with a start.
"Good morning. It's lovely weather again today."
She put on a smile. The perfect student council president's face. But her voice was colder than even she expected. She could tell the girl who'd spoken to her flinched for an instant.
*(No. Stay calm. I have to act normal. Last night was just the thunder—)*
As she told herself this, the classroom door opened. She reflexively looked toward it. Her heart leaped.
Shiba Tatsuya. Even wearing the plain Course 2 uniform, his figure seemed to shine brighter than anyone else. His back perfectly straight as he walked. Those black eyes that gave away nothing of what he was thinking.
"Good morning, Onii-sama."
Her voice pitched slightly higher. She could tell herself. Her throat was trembling.
"Yeah, morning."
Tatsuya answered curtly and started to pass in front of her. At that moment, Miyuki found herself calling out to him.
"O-Onii-sama... um, I caused you worry last night. Are you all right?"
She regretted it the moment she said it. Why was she dredging up last night, asking Onii-sama about it? He'd think she was strange.
Tatsuya stopped and glanced at her. His expressionless face seemed unusually sharp today.
"I'm fine. More importantly, are you okay now?"
"Yes. I was simply afraid of the thunder. I'm sorry, Onii-sama."
Miyuki smiled. Did Tatsuya believe her brave front? Or had he sensed something again?
*(Onii-sama always pretends not to notice my lies.)*
Was that kindness, or lack of interest? She couldn't tell. But for now, that was fine. She would keep hiding everything. This feeling, and what happened last night — he must never know.
Miyuki pushed the feelings born just yesterday deep into the bottom of her heart. She locked them away, sealed them shut, and buried them beneath her smile. She forced herself to believe, along with the ache in her chest, that this was the best way.
The classroom air gradually grew warmer. The bell for the start of class was approaching.
—Homeroom teacher Sanada-sensei entered exactly five minutes before the bell rang. A veteran teacher in his fifties, his stance at the podium should have been the same as always, but today something was different. He seemed slightly restless.
"Everyone, take your seats. I have an important announcement today."
The classroom buzzed. Miyuki also looked up. An important announcement? Yesterday there had been talk of a transfer student. This was about that.
"I'd like to introduce a student transferring into this class today. This is Amano Alice."
The moment she heard that name, a small alarm went off deep in Miyuki's chest. She didn't know why. She just had a bad feeling.
"Excuse meee!"
The classroom door burst open. It would be more accurate to say it "flew open" rather than "opened."
Standing there was a girl.
Long black hair reaching her waist. Large, bright brown eyes. Skin as white as snow, lips the color of cherries. Though her build was small and delicate, the energy radiating from her entire body was enough to instantly brighten the classroom's atmosphere. And what drew the eye most of all was her smile.
A defenseless smile, like the sun itself.
"I'm Amano Alice! I'm so, so happy to be learning together with everyone from today! Please take care of me!"
Her energetic voice rang throughout the classroom. Her classmates stared blankly at the sudden entrance. Miyuki too felt somewhat overwhelmed by that brightness.
*(What an adorable girl... that was her first impression. But somehow, this feeling...)*
Sanada-sensei hurriedly opened his mouth.
"Amano-san, first, take an empty seat—"
She didn't let him finish.
Alice strode straight through the center of the classroom as if walking through her own garden. Without the slightest hesitation. Every classmate's gaze followed her. Miyuki's eyes too followed her back.
And then, she stopped.
At the back of the classroom. The Course 2 seating area. A seat by the window, slightly in the shade.
The seat next to Shiba Tatsuya.
Miyuki's throat made a sharp sound.
"I finally found you! Shiba Tatsuya-san!"
Alice shouted. In a voice loud enough for everyone in the classroom to hear. And then, in the next instant—
She clung to Tatsuya's left arm with both hands.
"You're just as wonderful as the rumors said! Ahh, I really met you! I came back to Japan for this day!"
The classroom fell silent.
Everyone stared at the scene as if they'd forgotten to breathe. Miyuki stared too. She could do nothing but stare.
Alice's white fingers were gripping Tatsuya's sleeve tightly.
Miyuki's gaze was nailed to that single point.
*(Huh...?)*
Her mind went completely blank. And yet, deep in her heart, something else was beginning to boil, churning hotly.
*(Onii-sama's arm. She's touching Onii-sama. A strange girl is touching Onii-sama's arm. And yet, Onii-sama isn't shaking her off.)*
A voice echoed in her head.
*(Onii-sama is mine.)*
"...What do you want?"
Tatsuya's voice was as cold as always. Neither rejecting Alice nor welcoming her. Just a voice confirming the facts.
But to Miyuki's ears, it sounded unforgivable.
*(Onii-sama, why won't you reject her more firmly?)*
Alice laughed bashfully.
"I've admired you for a long time. The wielder of magic nullification, Shiba Tatsuya-san. I've heard all the rumors from the training grounds."
Those words sent another shock through the classroom.
Magic nullification. Tatsuya's hidden ability. Miyuki's chest heaved.
*(This girl... what does she know about Onii-sama?)*
Alice glanced briefly at Miyuki. Then she returned her gaze to Tatsuya.
"Ever since I saw your little sister, I've been curious. She calls you 'Onii-sama,' right? Can I call you that too?"
"Don't."
"Ehh, why not? You're so lucky to have such a cute little sister."
Alice turned toward Miyuki and smiled brightly.
That smile grated on Miyuki's nerves.
—She understood, clearly.
*(This girl is an enemy.)*
Something inside Miyuki began to melt.
Sanada-sensei shouted as if coming back to his senses.
"Amano-san! Let go of him this instant! Take your seat!"
"Okaaay."
Alice reluctantly released Tatsuya's arm. But her fingertips, until the very moment they let go, slid slowly, slowly, as if savoring the feel of his clothes.
Right in front of Miyuki's eyes.
—That was when it happened.
A sound like wind whistling.
Miyuki's consciousness momentarily faded.
*(Huh...?)*
When she came to, the classroom's air had changed.
Cold. Her breath was white. Outside the window, the sky had been a spring blue just moments ago.
No, that wasn't it.
It was inside the window.
White frost was spreading silently across the window glass. Like some kind of pattern, crystals growing complexly, delicately. The water in the vase on the teacher's podium was freezing before her eyes. The sunlight that should have been warm was turning into cold light inside the classroom.
"I-Isn't it cold...?"
Somewhere in the classroom, someone spoke in a trembling voice.
"Wh-What is this!? Did someone use magic!?"
Sanada-sensei looked around the classroom. The students also exchanged glances with each other.
Miyuki lowered her gaze to her own hands.
*(My... psions are...)*
Out of control. From the depths of her heart, freezing cold energy was overflowing endlessly. Cooling magic. Triggered unconsciously, pulled by her emotions.
*(No, at a time like this, in a place like this—)*
She frantically tried to suppress her power. But the surging emotions wouldn't allow it.
*(She touched Onii-sama's arm. Laughing so happily. And Onii-sama didn't shake her off. As if she knows a side of Onii-sama that I don't.)*
No. Stop. Stop it. This isn't my magic. I mustn't do something so shameful in front of Onii-sama.
From the back of the classroom came the sound of glass shattering — crack, crack, crack.
"The air conditioner—!"
Someone screamed. From the air conditioner vent near the ceiling, white ice particles burst out with a rattling sound. The classroom temperature plummeted further.
"Kyaaa! It's cold!"
"E-Everyone, calm down!"
Sanada-sensei was desperately trying to regain control. But the students' confusion wouldn't settle.
At that moment, Tatsuya's gaze pierced through Miyuki.
She was clearly seen.
*(Onii-sama...)*
Tatsuya's eyes were staring straight at Miyuki alone. She understood the meaning of that gaze.
—He's noticed.
Her heart felt like it was freezing solid.
Tatsuya let out a small breath from his barely-moving lips.
In that instant, the cold air filling the classroom suddenly weakened.
As if something was being pushed back by an invisible force.
Magic nullification.
Miyuki gasped.
"—!"
The cooling magic was forcibly canceled. By Tatsuya's power.
The classroom temperature slowly began to return to normal. The frost on the frozen window glass gradually melted.
"...What was that just now?"
"Could someone's magic have gone out of control?"
The students were still whispering to each other, trembling.
Miyuki looked down. Her face was hot.
*(I did it again. Onii-sama is covering for me.)*
Magic like that was visible to everyone. She had her position as student council president, her pride as a Course 1 student — all of it. And jealousy had ruined everything in an instant.
Sanada-sensei slammed the podium.
"Everyone, put your CADs on your desks! Magic use is temporarily prohibited! We're investigating the cause!"
The students hurriedly took out their CADs and lined them up on their desks. Bracelet types, card types, some even pistol types. Miyuki also took her bracelet-type CAD from her bag and placed it on the desk.
Even during all this, her side ached dully. She could feel her psions in disarray.
*(I'm sorry, everyone. I...)*
Miyuki's heart filled with guilt.
But beneath that guilt, something was still burning.
*(Because that girl—)*
Her reason told her she was in the wrong. But her emotions simply could not forgive that scene.
Whether Alice knew of Miyuki's inner turmoil or not—
Alice clapped her hands.
Clap, clap, clap.
In the silent classroom, only that sound echoed.
"Wow, amazing magic! The classroom turned into midwinter in an instant! Hey, was that maybe your little sister's magic?"
A chill ran down Miyuki's spine.
Alice's brown eyes were fixed directly on Miyuki.
"It was so beautiful! I was moved! The crystals spread like ice flowers — you can't do that on purpose, right? Your sister is really amazing after all!"
The words were pure praise. But to Miyuki, they didn't sound that way.
*(This girl knows exactly what she's doing.)*
Miyuki looked into Alice's eyes and was certain.
Alice, still smiling, came up beside Miyuki, placed both hands on the desk, and brought her face close.
"You're his little sister, right? I'll be taking Onii-sama now."
The classroom air seemed to cool again, just slightly.
Miyuki slowly raised her face. Her lips formed a smile of their own accord.
*(No. If I get angry here, I lose. That's what she wants.)*
But even though her facial muscles were smiling—
"Alice-san."
Her voice was so cold it sent a chill through even herself.
"Alice-san, my brother belongs to no one."
Miyuki smiled sweetly. Her eyes were not smiling.
"Furthermore, as a personal observation from a magic engineer, that phenomenon just now was not my magic. It was a malfunction in this classroom
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