Sachi

**Sachi** (幸) is a 14-year-old middle school student. At the beginning of the story, her real name is unknown as she is only referred to as "XXX", sometimes with the honorific "-san". "Onii-san", her kidnapper, gives her the name "Sachi" to replace the name she had during her old life.

Sachi was kidnapped by "Onii-san", a 26-year-old man (as he referred in the manga). But instead of being afraid when he approaches her, she is grateful and happily goes home with him. When he asks her why she isn't scared of him, she tells him that she was being abused by her parents and bullied at school. She considers him her hero and rescuer. To that end, she asks if she can stay with him forever and suggests to consider this a game: if they can get away from the police and her parents, she will marry him. And if they get caught, they will die together.

## Appearance

Sachi is illustrated to be a beautiful young girl with long, black hair that goes as low as her waist. She also has red eyes framed with long, graceful eyelashes. At Onii-san’s home, she wears a white shirt and dark brown shorts. Throughout the manga, she always has her head bandaged, as a result of the abuse she endured for so long.

Later in the series, her hair has been cut shorter, now reaching down to her shoulders. The bruises on her legs seemed to have lessened, but some still exist.

## Personality

Before the kidnapping, Sachi seems numb, often wearing a cold empty gaze. If needed, she is able to fake smiles and emotions. Sachi doesn't react to the bullying of her classmates, simply ignoring them and dealing with their actions without protest. Onii-san described her eyes as "of someone who has nowhere to run someone who has given up." She says she has no regrets or future, so she might as well die.

Sachi is a happy-go-lucky person around her kidnapper. It's implied that most of this is just an act, but she truly is grateful that he took her away from her past life and enjoys learning how to function as a normal person. However, around other people she is very careful and envies them for having a normal life. As the story progresses, she begins to understand her own emotions and develop new feelings.

However, Sachi also has a sadistic side, as seen when she tells Onii-san that he had never earned her trust, though he thought so for most of the series.

## History

Very little is known about Sachi other than the fact she has been abused, probably for most of her life. She's been abused by her parents and schoolmates physically and emotionally, and her middle school teacher Shin Katagiri sexually.

## Story

### Before the Kidnapping

Sachi was a middle schoolgirl being abused by her parents, classmates, and one of her teachers. Her day consisted of going to school and being tormented by her classmates. When her school day ended, she would meet with a teacher in a storage shed, where he would molest her. Afterwards, she'd go straight home and be abused by her parents.

One day, after school, she got home at 6 pm to find the front door was locked. She sat on the porch and waited four hours, hoping to be let in. However, when 10 pm came, she'd finally had enough. She stood up, dumped the contents of her school bag onto the floor, and walked out into the night. She was stopped by a police officer, wondering where she would be going alone so late at night. She lies, telling him that she has cram school to let out late.

Sachi walks down to a riverbank and sees a kitten by itself. She picks up the kitten and tells it that she's going to do all of the things regular people do, like window shop, and then she's going to kill herself. Sachi says she has no future and no regrets so she might as well die.

She finds an abandoned hotel, set to be demolished, and spends the night there. The next day, she walks around Tokyo, looking at stores, but she doesn't enjoy it as much as she thought she would. Onii-san, who has been stalking her since she left home, comments to himself that she's can't enjoy life like other people because her life made her different from others. Also, her coping skills do deal with her horrible life and are now working against her because she has no understanding of how the regular world works. He's also surprised that she can avoid all security cameras around her.

### The Kidnapping

Sachi wanders back to the river bank and sees the kitten again. She tells it that the world isn't as fun as she thought it was, so for now, she's going to kill herself, so she doesn't live helplessly and suffering. She lets the kitten go and walks to the edge of the river bank. She takes a step to jump, and a man she's never seen before grabs her arm.

This man tells her that he has been stalking her and has taken lots of pictures of her. He also tells her that he knows about what's happening to her at school and at home (though he might not have known what Katagiri was doing to her in the shed.) He tells her that he'd rather kidnap her than let her die.

After hearing this, Sachi is elated. She asks if the kidnapper is saving her. He tells her no and asks if she understands what kidnapping is. She says she knows it's a crime, so if anything bad were to happen, he'd face the consequences, not her. She's happy that he saved her life, so she trusts that he won't do anything to hurt her.

### Life with “Onii-san”

Sachi moves in with Onii-san in his studio apartment. He tells her he loves her and won't do anything to hurt her. Even more, he tells her she's free to leave whenever she wants to. Nevertheless, Sachi is happy with him and feels safe, knowing that he has her best interest in mind, or at least that's what she tells him. In truth, Sachi does not expect much from Onii-san. They have come to an agreement that they will play a happy couple. Sachi proposes a game: they escape the police and her parents to get married. But if they get caught, they will kill themselves. Onii-san agrees.

Sachi learns new things and experiences things she never thought she would. She's allowed to watch TV, browse the internet. Onii-san cooks with her and even gives her a bath. One day, while watching couples on TV, Sachi asks Onii-san if they can go on a date. He says they can, during the daytime, while people are at work or school. He dresses Sachi in his old clothes.

Sachi and Onii-san walk around a pretty area away from the main streets. When they go past a candy shop, Sachi begins to eat without paying for anything. This goes back to Sachi's lack of understanding about money and shopping. Onii-san asks the woman running the store to forgive his 'little brother.' She laughs and gives 'him' candy.

When they leave the store, they walk past two schoolgirls wearing uniforms from Sachi's middle school. One of them calls out her real name, but Onii-san asks them if they need something from his little brother, and they apologize and leave. It scares Sachi strongly. Whether or not she and Onii-san are playing a game, this is much better than the life she left behind. She then jumps on the top of the railing of the bridge they are walking on and thanks Onii-san for giving her a better life. Then she falls backward, trying to kill herself while she is happy. Onii-san grabs her by the leg and tells her she can't do drastic things like that without talking to him first because he needs her to live. Having saved her life, they go home.

## Relationships

### Onii-san

Onii-san is Sachi's kidnapper. Despite this, Sachi would happily stay with him and considered him to be her hero. He is also the one who gave her the name "Sachi." They have a very complex relationship that goes against what society deems acceptable. She believes death is a better option than living without Onii-san.

When Onii-san says he's gonna kidnap her, she's ecstatic that someone would take such a big risk to save the life she's thrown away, but confused on why he's letting her do anything she wants. She couldn't figure out what he was gaining from this relationship.

Even after Onii-san reveals his true intentions, she still relies on him. She's glad that she's started crying, laughing, and experiencing life, even if it's fake happiness. She tells Onii-san to keep using her for his happiness, as she's doing the same and it's too early for their arrangement to end. She begs him to live for her sake, and when the time comes that he wants to die, or when he finds the answer to the question he can't figure out, she'll be the one to kill him and their relationship ends. This was the first time she was afraid to loose something, afraid knowing Onii-san had no intention of continuing this life after his intentions were revealed. She grasped onto any reason to prolong their arrangement.

### Sachi's Mother

Sachi and her mother have a physical and emotional abusive relationship. Her mother would usually beat and insult her. She also couldn't care less if her daughter is found or not after she was kidnapped.

### Shin Katagiri

Her teacher who molested her in a storage shed whenever the school day ended.

## Etymology

* The name **Sachi** means "happiness, good luck" (幸).