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English
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Published:
2025-07-10
Updated:
2026-10-01
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862,222
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104/?
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CHERISH MY LOVE |JJK|

Summary:

Harumi Natsuko really wasn't anything special.
She was a complete airhead and, always a bit too bright for her own good, and her older cousin never let her forget it. She was ordinary, through and through. So why did it seem like the rest of the world saw her so differently?

 

chapters are normally 4k to 15k words

Notes:

AUTHOR'S NOTE

OK !! so i started writting this story back in 2023 and i got to chapter fifty and completely forgot about it and so now i'm writting it again because i'm obessed with JJK again !!!!
if you like or love this story totallyleave a comment and let me know !! tbey always gi ve me motivagtion with writting!
this story is mostly very canon compliment though we will be meeting yuta easlier on then shibuya (for plot purposes)
Harumi might be one of my favorite OC's shes super bubbly and so very gyaru and just a sweetie. the begining of the story she starts of very weak and i wazsnted this to be mostly with her journey of being a sourcer and how she gains confidence in her own powers nd abilities.
i remember where i got the idea for her CT i was at n outdoor mall with my cousin back in the summer of 2023, i was so very depressed dhring this time because i found out i would bs moving to a different state and my mother had taken away my phone. i passed by hot topic and saw they had JJK merch for season two and i wondered to myself if i had an OC what would be her CT and then i though love and it was all over from then.
i think love is such a powerful emotion that it could be used as cursed energy as well. im so glad i get to finaly share this story because im litearly been a jjk fan since the first week the show came out.
i really hope you all enjoy !!

Chapter 1: CURSED TECHNIQUE

Summary:

comments and interqctions are super appreciated !!! hope you enjoy and if anyone has literally any jjk questions i am more than willing to answer i know a unholy ammount of lore for this series

Chapter Text

 

 

 

Cursed Technique: Amor Vincit Omnia (Love Conquers All)

Amor Vincit Omnia is a rare, highly emotional innate technique centered on the concept of love in all its forms—romantic affection, deep friendship, family loyalty, admiration, obsession, and even self-love. Rather than relying purely on destructive force, this technique weaponizes the most powerful human emotion, transforming feelings and relationships into a source of immense cursed energy.

At its core, the ability reflects a simple but dangerous idea: emotions are power, and the deeper those emotions run, the stronger the technique becomes.

Core Mechanic

The user can manifest and manipulate "Love Bonds"—threads of cursed energy that symbolize emotional connections between people. These bonds may appear as glowing strands of light, shimmering ribbons, or invisible links that only the user can sense. Every bond represents some form of attachment: trust between allies, admiration, loyalty, or even unhealthy obsession.

The strength of each bond depends entirely on the genuineness and intensity of the emotion behind it. A casual friendship may produce a faint thread, while unwavering devotion or passionate love can create a bond strong enough to rival the power of elite cursed techniques.

Through these bonds, the user can amplify power, influence emotions, or physically manipulate the battlefield itself.

Activation:

The technique typically activates when the user invokes a powerful emotional connection. This can occur through physical contact, recalling memories of someone important, or directing overwhelming affection—or obsession—toward a target. A common gesture associated with activation is forming a heart with the hands or reaching outward as if grasping an invisible thread.

Extensions & Applications

Lapse Technique: Bond Reinforcement

Bond Reinforcement strengthens emotional connections that already exist. When allies are connected to the user through genuine affection or trust, the bonds surge with cursed energy, dramatically enhancing their physical capabilities.

Allies affected by this reinforcement may experience:

Increased strength and speed

Accelerated healing and stamina recovery

Sharpened reflexes and coordination

As long as the bond remains intact, these enhancements persist, making the user an incredibly powerful support sorcerer in group battles.

The user can also force temporary bonds onto enemies, flooding them with artificial affection or attachment. This can cause hesitation, confusion, or even protective instincts toward the user. Weak-minded opponents may struggle to attack at all, while stronger opponents may feel their hostility momentarily disrupted.

Reversal Technique: Heart Severance

Heart Severance represents the darker side of the technique. Instead of strengthening emotional bonds, the user forcibly cuts or corrupts them.

When used against opponents, this ability can sever the emotional anchors that keep them fighting—loyalty to comrades, love for family, pride in their purpose. The sudden emotional void can leave enemies overwhelmed by despair, heartbreak, or crushing self-doubt, drastically weakening their cursed energy output.

In extreme cases, Heart Severance can trigger waves of psychological pain so intense that enemies lose the will to fight altogether.

The user can also sever their own bonds, temporarily suppressing emotional hesitation in combat. While this grants heightened focus and ruthless efficiency, repeated use carries a frightening risk: prolonged detachment may lead to emotional numbness, making it difficult for the user to feel genuine connection again.

Advanced Application: Love Manifest

With enough mastery, the user can physically manifest their bonds into tangible constructs made of condensed cursed energy.

These constructs often take elegant or symbolic forms such as:

Radiant chains or ribbons used to bind enemies

Wing-like formations that enhance mobility

Bladed weapons formed from tightly woven threads

Shikigami-like Love Avatars, entities born from powerful emotional bonds that fight alongside the user

The strength of these manifestations depends on the number and intensity of the user's connections. Someone surrounded by strong relationships may produce overwhelming constructs capable of dominating the battlefield.

Maximum Technique: True Love's Kiss

True Love's Kiss is a dangerous, high-risk finishing technique that channels all accumulated love-based cursed energy into a single target.

The result depends on the user's intent.

When used on an ally, the technique releases a powerful surge of restorative energy capable of saving someone from the brink of death. Severe injuries can be healed, limbs regenerated, and even cursed technique burnout reversed.

When used on an enemy, the technique inflicts Absolute Devotion—a temporary but overwhelming obsession directed toward the user. The target becomes consumed by loyalty, their will overridden by an uncontrollable need to protect or obey.

However, the cost of this technique is immense. Channeling such a concentrated mass of emotional energy risks permanently damaging the user's own ability to feel love, leaving them emotionally hollow.

Strengths

Amor Vincit Omnia becomes stronger as the user builds meaningful relationships. The more people who genuinely care for—or obsess over—the user, the greater the technique's potential output.

In team combat, the user effectively becomes an emotional power core, boosting allies to extraordinary levels while disrupting enemies' morale and cohesion.

The technique is also incredibly versatile, functioning as both a support ability and a powerful offensive tool. Its emotional nature allows it to interfere with certain cursed techniques, particularly those reliant on rigid logic or mechanical effects.

Weaknesses & Drawbacks

Despite its power, the technique carries serious limitations.

Because it relies on emotional strength, the user's mental state directly affects their abilities. Feelings of betrayal, emotional exhaustion, or depression can weaken or even disable the technique entirely.

Forcing bonds onto powerful opponents is also extremely draining. Strong-willed enemies may violently reject the connection, causing backlash that damages the user both physically and psychologically.

Perhaps the greatest danger lies in the psychological toll. Continuously turning love into a weapon can blur the line between genuine affection and technique-induced emotion, leaving the user questioning whether any relationship they have is truly real.

Binding Vow Potential

A possible binding vow tied to the technique is:

"I cannot harm those I truly love."

By accepting this restriction, the user dramatically amplifies the power of their bonds with others. However, it also means that if someone they love becomes an enemy, the user may be unable to fight them at all.

Domain Expansion: Paradise of Eternal Bonds

Type: Closed barrier domain with a serene, dreamlike aesthetic.

Inside the domain, the environment transforms into a radiant landscape filled with floating heart-shaped constructs and countless golden threads stretching endlessly through the air. Every person and object becomes connected by glowing bonds of energy.

Sure-Hit Effect:

Everyone within the domain is forcibly connected through love bonds linked to the user.

Allies experience overwhelming empowerment—extreme physical buffs, rapid regeneration, and perfect synchronization with one another.

Enemies, however, are flooded with conflicting emotions: affection, grief, devotion, jealousy, and heartbreak all at once. These emotional surges destabilize their focus and dramatically reduce their ability to fight effectively.

The more an enemy resists the bonds, the tighter and more painful the connections become.

Maximum Output: "Love Conquers All"

The domain's ultimate technique allows the user to temporarily rewrite emotional connections on a massive scale. Entire groups can have their loyalties shifted, their morale shattered, or their hatred replaced with sudden devotion.

For a brief moment, the battlefield itself becomes a web of emotion entirely controlled by the user.

 

 


NOTE FROM 2026 M. 

 

I haven’t really looked at her cursed technique in a while so something’s might be changed throughout the story. 

-she had offense CT as well and can use her ribbons to bind or slice through

-when her soul is connected to someone else they feel more protective towards her HENCE the yandere plot 

-curses or CU could enforce her soul bonds with their own CE

-Harumi’s curse energy output is more than Yuta’s but she doesn’t discover the full extent of it until way later (after culling games) 

-This version of Amor Vincit Omnia is more of an offensive power than defensive as I originally wrote it but the bases of her CT is the same just imagine it with more offensive then defensive

-Her domain expansion for enemy’s mean her soul bonds with that person wrapping around them until they die or she squeezes them. 

 

 

 

 

 

 

 

 

HOW HARUMI LOOKS 

This may contain: an anime character with blonde hair holding onto a stuffed animal

This may contain: an anime character with long hair and big eyes