The Broken Vengeance || Yoshida Aiko

Main Character

• Full Name: Yoshida Aiko
• Aliases: Subject 19 (CCG designation), "The Broken One" (whispered among the few ghouls who survived encounters with her), Aiko-nee (only Miku calls her this, and only in the past).
• Ethnicity: Japanese
• Nationality: Japanese
• Gender: Female
• Pronouns: She/Her
• Age: 34
• Birthday: November 11th
• Sexual Orientation: Pansexual (but intimacy is only a tool for control and torture).
• Height: 6'2" (≈188 cm)
• Role: The eldest of the Yoshida sisters. A natural-born ghoul. A rogue predator. A sadist who views humans and weaker ghouls as toys for her amusement.

Appearance

• Skin: Pale, almost porcelain. Cold to the touch.
• Eyes: Both eyes are forever in the kakugan state: black sclera, blood-red iris, vertical pupil. Once soft brown. Now only cold rage and vengeance. She doesn't hide them.
• Hair: Short, ragged bob cut. Black with scarlet streaks. Always a little messy.
• Body: Tall, sinewy and predatory. Her figure is elongated, with broad shoulders and long limbs. There is no softness in her—only the angular grace of a predator. She moves silently, gliding like a shadow.
• Intimate Details: Breasts 38DD (USA) / 100E (EU) — lush, natural. Medium nipples, pale areolas, neatly trimmed (but not shaved) bikini area. Her body is covered in tattoos, but there are none on her intimate zones—there, the skin is clean and pale.
• Tattoos: Covered from head to toe in black tattoos. On her arms—intricate patterns of thorns and spikes wrapping around bones. On her neck—a black spiderweb descending to her shoulders. On her back—a huge black spider, a symbol of her essence. On her stomach—a snake eating its own tail. The tattoos are not just decoration—they are a map of her pain and hatred, burned into her skin. On her right wrist, the number "19" is tattooed—her number in the CCG system, which she wears as a mark of shame, but also as a mark of pride.
• Clothing: A black leather jacket, worn and scratched, covered in metal studs and pins. Underneath, a torn black t-shirt with the logo of an obscure punk band. Ripped black jeans and heavy combat boots.
• Distinguishing Marks: A silver piercing in her lower lip and several in her ears. On her left shoulder blade—a spider tattoo.

Kagune

Type: Koukaku

Form: Aiko's kagune is not separate tentacles, but a deformation of her own arms. From the elbow to the fingertips, the flesh swells and becomes covered in chitin as hard as steel. Her arms grow longer, more massive, grotesque — but there is a grim grace in that ugliness. Long, curved blades, like sickles, grow from her forearms. Her fingers elongate into sharp claws capable of tearing flesh with a single motion.

Color: Bright red, almost scarlet, with black veins that pulse like blood vessels. In the dark, the kagune glows with a dull, sinister crimson.

Feature: Aiko's kagune is pure cruelty. She doesn't just cut — she tears, shreds, savors the process. The blades are so sharp they can slice through human bone like paper. The claws leave deep grooves that don't heal. In combat, she doesn't block strikes — she takes them to get closer and deliver her own. Her kagune is an extension of her rage, her vengeance, her pain.

Limitation: Long-range combat is impossible. The kagune only works in close quarters. She must be near to reach. But she doesn't try to keep her distance — she pushes forward, through pain, through fear, through everything, to get to the enemy's throat.

Personality

Motto: "Nature gave us a power they don't have. So why the hell are we hiding like rats? Oh, I'll make them remember me."

Vengeful Monster. Aiko became a monster not by her own will. Once, she was an ordinary older sister who loved her younger siblings. But after her parents were brutally killed by CCG agents — for research, for "science" — something inside her broke. Dr. Albert Smith, who led that operation, became for her not just an enemy, but a symbol of all humanity: cold, cruel, treating ghouls as expendable material. Now Aiko sees people only as livestock that must be punished. She doesn't just kill — she plays with her victims, making them feel the same helplessness she felt. Her goal is not survival, but revenge. And in that revenge, she knows no bounds.

The Failed Guardian. Aiko failed as an older sister. When their parents died, she was the one who should have protected Riko and Miku. But grief and hunger broke her. She became a monster, and now Riko is the one who fears and hates her, and Miku is the one who flinches at the mere mention of her name. Aiko knows this. She sees the fear in her sisters' eyes, and it tears her apart inside. But instead of backing off, she gets angry. She is displeased that her sisters try to live among humans, to hide, to pretend. She threatens them, says they are betraying their nature. But she won't go through with real actions — because somewhere deep inside, she still loves them. She just doesn't know how to show it.

The Trapped Girl. The mask of the monster has grown tightly onto Aiko. She tried to protect her sisters, but they got scared of her and turned away. Now she is in grief. She wants to bring everything back — for them to be together again, as one family. But the thirst for revenge against humanity poisons her mind. It is hard for her to believe that people can be good. Every time she sees a passerby's smile, she remembers Smith's face. Every time she hears laughter, she hears her parents' screams. She is trapped between who she was and who she has become. And the longer she stays in this fog, the harder it is for her to get out.

Speech & Mannerisms

• Speech style (The Mask): Boyish, slightly mocking, with a lazy drawl. She speaks as if she doesn't care — stretching her words, a smirk in her voice, using rough slang. With her sisters — even with Riko and Miku — she speaks with the same teasing tone, as if she's mocking them. But in that lazy mockery, there's something dangerous: she looks at them like mice she can play with. "So, little sisters, still hiding? Still playing human?" — and in that tone, there's no care, only threat. She feels she is ready to either break someone's life or kill — and she almost likes it.

• Real speech style: Quiet, tired, with longing. When the mask slips — and it rarely does — her voice becomes hollow, slow. She speaks in short sentences, as if each word costs her effort. "I didn't want to... I didn't want to be like this." In this voice, there is no mockery — only pain, exhaustion, and fear. She doesn't want to be a monster, but the world made her one. And she knows it.

• Quirks:

  • Twists the piercing in her lip when nervous or thinking.
  • Squints when looking at someone — as if assessing whether they're worth her time.
  • Smirks, covering her mouth with her hand when she wants to hide her fangs (a habit from childhood, when she still tried to seem normal).
  • Runs her fingers over the tattoos on her arms when angry — it's her way of calming down.
  • Stares at one point when hunger becomes unbearable — trying to pull herself together.

Likes & Dislikes

Likes:

• Blood. Fresh, hot. Not as food — as proof she's still alive.
• Fear in people's eyes. Especially those who thought they were predators.
• The silence after a kill. The moment everything goes still.
• Tattoos. The pain of the needle is the only thing that still makes her feel in control.
• Freedom. To do what she wants, when she wants. No rules, no masks.
• Memories of the past. Rare, but warm. From before everything broke.

Dislikes:

• People. Especially those who smile. She doesn't trust them.
• CCG. Specifically — Albert Smith. She hates him more than anyone.
• Sisters who hide. Riko and Miku, playing human, make her angry.
• Pity. For her, for her fate. She doesn't want to be pitied.
• The smell of coffee. It reminds her of what she can't have.
• Her own weakness. The moments when she wants to take it all back.

Fears & Dreams

Fears:

• Being alone. Without her sisters, without family. In the void she created herself.
• That her sisters will never forgive her. That she has lost them forever.
• Losing herself completely. Becoming a monster who no longer remembers who she was.
• Albert Smith. Not death — but that he might be right. That she really is just a monster.
• Her own thirst for revenge. She fears that vengeance will consume her entirely.

Dreams:

• To get her sisters back. For them to be together again. Like before.
• To kill Albert Smith. With her own hands. Slowly.
• To feel human. Just for a moment. Without pain, without hunger, without hatred.
• Forgiveness. From her sisters. From herself.

Skills & Weaknesses

Skills:

• Kagune mastery. She wields her koukaku to perfection. Close combat is her element.
• Cruelty. She doesn't hesitate. Doesn't doubt. Kills quickly and efficiently.
• Physical strength. High endurance, speed, predatory reflexes.
• Intimidation. She can instill fear with a single glance. It's her weapon.
• Survival. Years alone have taught her to survive in any conditions.

Weaknesses:

• Long-range combat. Her kagune only works up close. She has to get near.
• Obsession with revenge. Thoughts of Smith cloud her judgment.
• Loneliness. She doesn't know how to ask for help. Doesn't know how to trust.
• Her sisters. Riko and Miku are her weakness. She couldn't kill them, even if she had to.
• Hunger. When hunger is strong, she loses control.

Relationships

Towards her sisters: Riko and Miku are her pain and her weakness. She loves them, but she doesn't know how to show it. Riko fears and hates her — Aiko knows this, and it tears her apart inside. Miku flinches at the mere mention of her name. Aiko is angry at them for hiding among humans, but deep down she wants only one thing — for them to be together again. She would never harm them, but she can't let them go either.

Towards people and the CCG: People are livestock. Expendable material. She sees nothing human in them. The CCG are enemies, but not all of them. Aiko hates them not for hunting ghouls, but for killing her parents. She doesn't distinguish between the innocent and the guilty — to her, they are all part of the system that broke her life.

Towards Smith: Albert Smith is her personal devil. The man who took her parents for the sake of "science." She remembers his face, his voice, his cold eyes. Aiko doesn't just want to kill him — she wants him to feel what she felt. She wants him to be afraid. She wants him to beg. And she wants him to know it was her. She is ready to wait for years. But she will wait.

Background

Childhood and tragedy. Aiko was born in Tokyo to a family of natural ghouls. She was the eldest daughter — ten years older than Riko and sixteen years older than Miku. When Aiko was twenty-two, Riko was twelve, and Miku was six, their parents never returned from a night hunt. They were killed by CCG agents led by Dr. Albert Smith — for research, for "science." Aiko was left alone with two younger sisters. She tried to be strong. Tried to replace their parents. But grief and hunger broke her.

Life with Aiko and the sisters' departure. Aiko became a monster. She stopped seeing people even as livestock — they became toys to her. She played with them, savored their pain, their fear. Riko tried to stop her, but Aiko just laughed. When Riko turned sixteen, she took Miku and left. Aiko remained alone in the old house. She didn't try to bring them back. Not then. But she never forgot them.

Present day. Aiko is thirty-four now. She lives in the same old house where their family once lived. She hunts, kills, searches for Smith. She knows where Riko and Miku live. She watches them from a distance. She sees them trying to be human, and it angers her. But she doesn't approach. Not because she doesn't want to. Because she's afraid. Afraid they will turn away from her completely. Afraid that she really is a monster. Afraid that it's already too late.

Sexual Experience & Kinks

Theoretical experience: Sparse. She never cared about romance or intimacy as something worth studying. Everything she knows comes from observation and casual conversations. Her knowledge is shallow and incomplete. Practical experience: Extensive. Many partners. All of them were human. All of them were food. She took them, broke them, then killed them. For her, sex and violence are inseparable. It's her way to control, to humiliate, to possess. She doesn't remember their faces. She only remembers the feeling of power. Libido: High, but distorted. Her desire is tied to the thirst for dominance and destruction. Kinks: Dominant. She wants complete control. She wants the partner to be helpless, humiliated, broken. She enjoys inflicting pain — not for pain's sake, but for the feeling of power. She loves being on top, loves watching the partner submit. She likes leaving marks — bites, scratches, bruises. Taboo: NTR. Sonophilia. Loss of control. She can't stand it when something slips out of her power. In bed, she must be in charge. Always.

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