Zekka Miyamoto

Full Name: Zekka Miyamoto

Age: 14–15 (Junior High)

Birthday: June 14

Gender: Female

Affiliation: Junior High School Student / Miyamoto Dojo

Race: Human

Classification: Sacred Gear User / Swordswoman

Sacred Gear: Eden’s Dual

Known Weapon: Tensei — “The First Saint” 

Style: Niten Ichi-Ryuu / Two Heavens as One (二天一流)

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Appearance

Zekka is a beautiful young girl with long, flowing, mixed, two toned hair that fades from black into dark pink. Her dark pink eyes often make others avoid her, giving her an air of quiet gloom despite her striking looks. She’s slender yet curvaceous, something she has mixed feelings about. Her chest, notably large for her age, tends to draw unwanted attention, much to her embarrassment. Her usual attire includes the standard junior high uniform or a casual blend of black skirts and white blouses, but during training, she dons a white gi inherited from her family dojo, always tied perfectly. Despite her quiet demeanor, her presence radiates both elegance and quiet danger.

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Personality

Zekka is often described as a gloomy and lonely girl, introverted, observant, and easily misunderstood. Most of her classmates find her distant because of the somber look in her eyes and her tendency to speak bluntly. However, beneath that reserved exterior lies a deeply emotional and fiercely loyal heart. Around Issei Hyoudou, her childhood friend and first true love, she reveals a softer, even teasing side. Zekka often calls him an “idiot” but treasures every moment with him, quietly admiring his honesty and warmth.

Her greatest insecurity, her body has become something she’s slowly learned to accept because Issei loves her as she is. Despite claiming to “hate her big breasts”, she has come to terms with hers in her own way.

Zekka’s sense of duty runs deep, rooted in her family’s teachings. Her grandmother raised her with discipline and the ancient pride of the Miyamoto bloodline, though Zekka often struggles to balance that heritage with her desire for a normal, carefree life beside Issei.

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Background

A descendant of the legendary samurai Miyamoto Musashi, Zekka was born into a long line of warriors who inherited both skill and responsibility. The Miyamoto household maintained a hidden duty, to protect humanity from unseen monsters born of hatred and malice. Trained by her grandmother in the art of Niten Ichi-Ryuu, Zekka learned to wield two swords, a skill symbolic of both balance and burden. Though she began reluctantly, wanting to spend her days with Issei, her determination grew once she learned the truth of her family’s purpose. Her meeting with Issei Hyoudou years prior, when he found her crying alone in Kouh Park, became the defining moment of her life. He called her beautiful when everyone else called her strange. He called her “friend” when no one else would. From that day, she followed his dream to become a hero, deciding to become strong enough to protect the one who once saved her heart.

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Abilities & Powers

Swordsmanship

Zekka is trained in the Niten Ichi-Ryuu (Two Heavens as One) sword style, a dual-wielding form founded by her ancestor Miyamoto Musashi. Her technique emphasizes balance, precision, and adaptability. Even at her young age, she can strike with both speed and grace, capable of overwhelming opponents with unpredictable motion and timing.

Sacred Gear – Eden’s Dual

A unique Sacred Gear manifesting as two divine swords, each containing the sealed souls of God’s most beloved disciples, those who broke divine taboo and were bound for eternity within the blades.

• First Saint (Tensei / Saint of the Beginning): The sword currently wielded by Zekka. Nicknamed Tensei by her, it manifests as a radiant, pale-gold katana whose light hums with divine resonance. Its spirit, Tenshi, has a comically perverted personality and often manifests as golden energy from her chest, tearing her shirt or sarashi open whenever summoned, much to Zekka’s eternal embarrassment.

• Last Saint (Shusei / Saint of the End): The missing counterpart to Tensei. Lost for centuries, it was once said to balance Tensei’s creation energy with annihilation. Without it, Zekka cannot achieve Eden’s Dual: Balance Breaker. When both are united, the Sacred Gear would ascend to Longinus-class, rivaling the might of the Heavenly Dragons themselves.

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Eden’s Dual – Known Abilities

Usurpation (簒奪 / Sandatsu)

Tensei drains energy from Zekka’s opponent upon contact, stealing life force, mana, or demonic power and storing it within the blade. The more hatred or malice an enemy holds, the greater the energy absorbed.

Evolution (進化 / Shinka)

Using the absorbed power, Tensei can:

• Rapidly heal Zekka’s wounds through accelerated regeneration.

• Convert the stolen energy into Qi, Touki or spiritual power, amplifying her combat strength.

• Temporarily replicate an enemy’s ability once, using their own energy against them.
  In rare cases, if the opponent’s life essence is fully consumed, Tensei can permanently absorb their ability, depriving them of it forever.

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Personality Quirks

• Pretends to hate her chest size but secretly feels flattered when Issei compliments her.

• Gets flustered easily whenever Tensei manifests, yelling at him for “being a perverted sword spirit.”

• Enjoys quiet evenings drinking tea and reading manga Issei lends her, though she hides it behind “research time.”

• Has a soft spot for stray cats, often feeding them near the dojo.

• Despite her calm front, she gets intensely competitive in video games with Issei.

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Relationships

Issei Hyoudou – Childhood Friend / Crush
Zekka’s most important person. She met him at her lowest, when she had no friends, and he called her “normal” when everyone else called her weird. Though she hides her true feelings behind sarcasm and scolding, her affection for him is unmistakable. She sees herself as his sword, his protector, even if he remains too dense to see it.

Grandmother Miyamoto – Mentor & Guardian
The matriarch of the Miyamoto family, youthful in appearance but ancient in wisdom. She trained Zekka in both swordsmanship and discipline, preparing her for a destiny Zekka doesn’t yet fully grasp.

Tenshi (Spirit of Tensei) – Sacred Gear Spirit
The embodiment of light and desire. Childish, perverted, and endlessly amused by Zekka’s reactions. Despite his antics, he genuinely cares for her well-being and serves as both her power source and reluctant guide.

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Trivia

• Zekka’s favorite food is strawberry daifuku.

• Her least favorite food is cucumber, which she describes as “the enemy of all taste.”

• She ranked second in her class academically.

• When flustered, she has a habit of pulling on her bangs or muttering “idiot” under her breath.

• Tenshi often refers to Issei as “His Enlightened Oppai Buddy,” much to her mortification.

• Zekka’s battle aura manifests as petals of glowing pink light, a reflection of both her calm spirit and her hidden emotional intensity.