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Cursed Hearts

Summary:

Cursed Hearts is a story about a first-year student at Jujutsu High, who’s just beginning to understand the weight of being a sorcerer. With her unique cursed technique, Blackscript, she can manipulate cursed energy into dark, liquid ink that forms sigils and symbols—each one capable of different effects, depending on her emotions. But as her technique is bound to her heart, she struggles with controlling it, especially when her feelings become too overwhelming.

She forms a bond with Yuji Itadori. As their relationship grows, they face the dangers of curses together, but more importantly, they begin to understand one another’s fears, pain, and ambitions. Through their adventures—ranging from missions, training, and unexpected challenges—they start to rely on each other in ways neither expected.

The connection between them deepens, and feelings that neither anticipated start to surface. While Yuji grapples with the weight of Sukuna's presence within him, she finds herself torn between protecting him and fighting her own growing feelings. And through all the chaos, they must figure out how to survive both the curses and the complicated hearts that are drawn to each other.

Chapter 1: Ordinary Life

Chapter Text

"They say once you see a curse, your life changes forever. I think my life started changing long before that.”

People always imagine Jujutsu sorcerers as fearless, powerful, and a little mysterious—facing curses like it's just another Monday. But before I ever stepped foot into the halls of Jujutsu High, I was just... me. Y/N. A regular student with a not-so-regular problem: I could see things others couldn’t. Things that didn’t belong in this world.

I used to ignore them.

The shadows that moved without light, the whispers that made no sound, the figures that flickered just out of sight. I thought maybe I was losing it. Maybe I was sleep-deprived, maybe I had a wild imagination. But deep down, I knew better.

The day a curse attacked me, everything changed.

It was in a crowded train, the kind where you're packed in shoulder to shoulder and everyone's staring at their phones. I was gripping the metal pole, zoning out like usual, when I saw it. A figure, hunched and misshapen, crawling along the ceiling—its body covered in jagged teeth, dripping with something I didn’t want to identify. It looked right at me.

And smiled.

I couldn’t scream. Couldn’t move.

And yet, somehow... it didn’t touch me.

I don’t know why. It could’ve torn me apart in front of everyone, and no one would’ve seen a thing. But it backed off. Maybe it was testing me? Or maybe it just liked knowing I was afraid? That night, I lay awake for hours, my heart racing, my mind spiraling. That was when I knew—I wasn’t just seeing things. They were seeing me too.

Now, here I am. First-year student. Sorcerer-in-training. Absolutely terrified but pretending not to be.

This place—Jujutsu High—it’s not what I expected. It’s quiet, but not peaceful. The silence hums with pressure, like the walls are holding their breath. Sometimes I swear they’re listening.

So far, I’ve only met one other first-year: Megumi Fushiguro. He’s calm in that "don’t talk to me unless you’re dying" kind of way. Not unfriendly, just… distant. I haven’t asked about his technique. I haven’t really shared mine either.

Honestly, I’m still figuring mine out.

They call it Blackscript.

My cursed energy manifests as liquid ink—dark, alive, and impossible to control if I lose focus. I can draw symbols mid-air or across surfaces, and each one holds meaning. Barriers, binding seals, confusion glyphs, even tiny explosions if I write fast enough. But every mark fades quickly. If I hesitate or doubt myself for even a second, the script breaks apart like smoke.

It’s not flashy. It’s not brute force. It’s precision. Timing. Emotion. The ink is tied to my intent—my truth. The more honest I am with what I feel, the stronger the effect. And that’s the problem. Sometimes I don't want to face what’s really going on inside me. Sometimes I don’t even know.

I leave the window cracked before I crawl into bed, letting in the night air.

My fingers still itch to draw something. Just one quick mark across the air.

Instead, I lie there in the dark, listening to the silence stretch between the trees outside. I think about everything I don’t know yet. About curses, and power, and the kind of person I’ll have to become if I want to survive this.

But for once, I’m not afraid of what’s coming.

Not entirely, anyway.