Running Up That Hill | Young Remus x Hermione

Summary

When sixteen-year-old Hermione Granger uncovers the devastating truth about Voldemort’s Horcruxes, she makes a choice that defies every law of magic: she travels back in time to 1976, determined to rewrite the future and save the wizarding world from the darkness she knows is coming. Sorted into Gryffindor upon her return to Hogwarts, Hermione quickly finds herself drawn into the orbit of Lily Evans and the infamous Marauders. Armed with forbidden knowledge of their fates, the horrors awaiting Remus Lupin, and the sacrifices they will one day make, she walks a dangerous line—befriending those she’s sworn to protect while guarding the explosive secret of her true origins. But as bonds deepen and stolen moments turn into something far more complicated, Hermione’s growing feelings for a certain scarred, thoughtful Gryffindor begin to unravel her carefully laid plans. In a race against time, can she change destiny without losing herself… or will love prove to be the one variable she never saw coming? A story of time travel, impossible choices, friendship, and a love that could either save the world—or doom it.

Status
Ongoing
Chapters
3
Rating
n/a
Age Rating
16+

Chapter 1: Threads of Time

The air in the Gryffindor Common Room hung heavy with grief, thick as the dust motes that danced in the slanting beams of late afternoon light filtering through the tall, arched windows. Late June 1996. The castle itself seemed to mourn, its ancient stones echoing with a silence deeper than any curfew. Albus Dumbledore was dead. The words still felt like a curse on Hermione Granger’s tongue, sharp and unrelenting.

Harry sat slumped in one of the worn armchairs by the dying fire, his shoulders hunched as if carrying the weight of the entire wizarding world. His green eyes, usually so bright with determination, were dull and shadowed. Ron Weasley perched on the arm of the chair beside him, one hand resting awkwardly on Harry’s shoulder in silent solidarity. The two boys hadn’t spoken much in hours. There was nothing left to say that the horror of the Astronomy Tower hadn’t already screamed into existence.

Hermione watched them from the shadows near the bookshelf, her fingers trembling slightly as they brushed the spine of an old volume she no longer needed. Her heart ached with a pain so profound it felt physical, a vise around her ribs. She had wanted—desperately—to go with them. To hunt Horcruxes, to stand by Harry’s side as she always had, facing whatever darkness awaited. But the revelation in the weeks leading up to Dumbledore’s death had changed everything.

Voldemort’s Horcruxes. The fragments of his shattered soul, hidden in objects of power and malice. The key to his immortality. She had pored over the research, cross-referenced every obscure text, every whispered rumor. And in the process, she had found something else. A possibility. A desperate, forbidden path that might rewrite the nightmare before it fully consumed them all.

She couldn’t tell them. Not yet. Harry was too raw, too consumed by loss and prophecy. Ron would argue, try to stop her with loyalty and fear. This had to be hers alone.

With a deep, steadying breath, Hermione slipped away from the common room, her footsteps muffled on the crimson carpet. She made her way to the dormitory she had shared for so many years, the beds empty now as students had fled or been kept home by fearful parents. Her trunk stood open, neatly packed as always. From the bottom, beneath carefully folded robes, she withdrew a small, delicate object: the Time-Turner.

Its golden sands glittered ominously in the dim light. She had used it before, for classes, for saving lives. Never like this. Never for decades.

On her desk, she laid out a parchment and quill. Her hand moved with purpose, though tears blurred her vision.

Harry, Ron,

I’m so sorry. I wanted more than anything to be with you on this journey. You are my best friends, my brothers in all but blood. But I’ve found another way—a chance to strike at the heart of this war before it claims more of us. I’ve left all my research on the Horcruxes with this note. Use it. Destroy them. Save everyone you can.

Don’t come looking for me. Not yet. I have to do this alone, for you, for the Order, for the world we’re fighting to protect. Trust me, as you always have.

If I succeed, you’ll know. If I don’t… remember that I loved you both fiercely.

Hermione

She folded the note carefully, placing it atop the stack of parchments containing her meticulously compiled notes, theories, and possible locations. With a whispered charm, she sealed the bundle against prying eyes and left it on Harry’s bed in the boys’ dormitory, where they would find it soon enough.

Back in her room, Hermione clutched the Time-Turner. Her mind raced through the calculations one final time. Nineteen seventy-six. September first. The start of the Marauders’ sixth year. The year everything began to fracture for them—for Remus, for Lily, for James and Sirius and Peter. If she could change their fates, perhaps she could prevent the prophecy, the deaths, the rise of Voldemort himself.

Her fingers spun the outer rings, once, twice, then in a dizzying whirl as the device demanded more—far more than it had ever been meant to give. The world blurred into streaks of gold and shadow. A roaring filled her ears, like wind through a thousand corridors of time. She felt herself unraveling, threads of her existence pulled taut across decades.

Then, nothing.


The cool September air hit her like a slap. Hermione staggered, her knees buckling as she collapsed onto damp grass. The Time-Turner grew hot in her palm before falling silent, its chain tangled around her fingers. She lay there for a long moment, breathing in the scent of pine and lake water and ancient magic that could only belong to Hogwarts.

She pushed herself up, brushing dirt from her plain Muggle clothes—a simple jumper and jeans she had chosen for the journey. The castle loomed before her, its towers proud and untouched by the war she had fled. Lanterns flickered in the Great Hall windows, and the distant sound of excited chatter carried on the breeze. First-years arriving by boat and carriage. The Express must have just pulled in.

Her heart hammered. She was here. Really here. 1976.

Before she could fully gather her thoughts, a calm voice spoke from behind her.

“Miss? Are you quite all right?”

Hermione whirled around. There stood Albus Dumbledore, younger than the man she had known—his beard less silver, his eyes still twinkling with that boundless curiosity, though lined with the quiet weight of responsibility. He wore deep purple robes embroidered with stars, and his half-moon spectacles caught the fading sunlight.

“I—” Hermione’s voice cracked. She hadn’t planned the exact words. “Professor Dumbledore. I… I need your help.”

He regarded her for a long moment, his gaze piercing yet kind. There was no suspicion, only a deep, instinctive trust that made her want to weep. As if some part of his ancient soul recognized the gravity of her presence.

“Come with me, my dear,” he said gently, offering his arm. “I believe we have much to discuss, and the Sorting Ceremony is about to begin. You appear to be a student in need of a house.”

They walked together through the grounds, the familiar paths both comforting and surreal. Dumbledore asked few questions, sensing her reluctance. He spoke instead of the changing seasons, of the magic that bound Hogwarts through time, and of the importance of second chances. When they reached his office, he offered her a lemon drop and listened as she spun a partial truth: a powerful, experimental charm had displaced her from her own time, a accident of research into advanced temporal magic. She wished to attend Hogwarts and complete her education while seeking a way home.

He believed her. Or, at least, trusted her intent enough to allow it.

“Very well,” he said at last, his eyes solemn. “Hogwarts will welcome you, Miss Granger. The Sorting Hat will decide your house. But remember—time is a delicate thing. Tread carefully.”


The Great Hall buzzed with life. Candles floated overhead, casting a golden glow over four long tables filled with students in their school robes. Hermione stood at the back with the first-years, feeling impossibly tall and out of place in her Muggle attire. Whispers rippled through the crowd as Dumbledore introduced her briefly as a transfer student.

Professor McGonagall—younger, stricter-looking—placed the ancient Sorting Hat on her head.

“Ah,” the Hat murmured in her mind. “A mind like a steel trap. Courage in abundance. Loyalty fierce enough to burn. But where to put you? You carry secrets heavier than most, Miss Granger. Gryffindor would suit the fire in you… yes, I think so.”

“GRYFFINDOR!” the Hat shouted.

Applause erupted from the Gryffindor table. Hermione’s legs felt unsteady as she made her way over. Faces blurred past—familiar from photographs and memories that weren’t yet formed. And then she saw them.

Lily Evans sat near the middle of the table, her vibrant red hair catching the light, green eyes bright with curiosity. Next to her were the Marauders.

James Potter, with his messy black hair and effortless confidence, was laughing at something Sirius Black had said. Sirius lounged like he owned the hall, dark curls framing a handsome, rebellious face. Peter Pettigrew looked smaller, more nervous, picking at his food. And beside them—

Remus Lupin.

He was thinner than she remembered from later years, his light brown hair slightly tousled, a few faint scars already tracing his face and neck. His amber eyes held a quiet watchfulness, a kindness tempered by hidden pain. He glanced up as she approached, offering a small, polite smile that made her chest tighten unexpectedly.

“Welcome to Gryffindor,” Lily said warmly, scooting over to make room. “I’m Lily Evans. These are James, Sirius, Remus, and Peter. Don’t mind them—they’re loud but mostly harmless.”

“Mostly,” Sirius added with a wink.

Hermione managed a smile, sliding into the seat. “Hermione Granger. Thank you. It’s… a bit overwhelming.”

The feast began, plates filling with roast meats, vegetables, and puddings. Conversation flowed around her. James boasting about Quidditch tryouts. Sirius teasing Peter about his appetite. Lily rolling her eyes fondly at their antics. Remus was quieter, observing more than participating, though his comments were sharp and witty when he spoke.

Hermione found herself stealing glances at him. She knew what he carried—the secret of his lycanthropy, the pain of full moons endured alone until these friends had become Animagi for him. She knew the loyalty that would one day define them, and the betrayals that would tear them apart. The weight of that knowledge pressed on her like a physical force.

As the feast wound down and students began heading to the common room, Lily linked arms with her. “Come on, I’ll show you the way. You can borrow some robes until you get your own. Where are you from, anyway? Your accent sounds… different.”

“Far away,” Hermione replied softly. “Very far.”

The Gryffindor Common Room was exactly as she remembered it—cozy, circular, with plush armchairs and a roaring fire. She was assigned a bed in the sixth-year girls’ dormitory, though it felt strange without Lavender or Parvati.

Later that night, as the castle settled into quiet, Hermione stood by a window overlooking the grounds. The moon hung low, nearly full. She thought of Harry and Ron, of the note she had left, of the impossible task ahead.

Footsteps sounded behind her. She turned to see Remus, a book tucked under his arm, heading toward the boys’ stairs. He paused, noticing her.

“Couldn’t sleep?” he asked gently, his voice low and warm.

Hermione shook her head. “Too much on my mind.”

He nodded, understanding flickering in his eyes though he couldn’t possibly know the half of it. “Hogwarts has a way of feeling like home, even when everything else is uncertain. If you ever need to talk… well, we’re all in this together now.”

She smiled, a real one this time, though her heart twisted with secrets and the first stirrings of something deeper—something she hadn’t anticipated.

“Thank you, Remus.”

As he disappeared up the stairs, Hermione whispered to the empty room, “For all of you. I’m going to change everything.”

The threads of time were already shifting. And in the quiet hours before dawn, Hermione Granger allowed herself one moment of hope amid the fear.

This was only the beginning.