---
title: "Imouto to Osananajimi no Seido Shidou ~Kore Ijou Naka ni Dasu no wa Yamete!~"
description: "Our protagonist is fed up with his father, who keeps getting fired from his jobs due to his heavy drinking. Since his parents' divorce, he has struggled, which "
image: "https://t.vndb.org/cv/40/6040.jpg"
---

# Imouto to Osananajimi no Seido Shidou ~Kore Ijou Naka ni Dasu no wa Yamete!~

![Imouto to Osananajimi no Seido Shidou ~Kore Ijou Naka ni Dasu no wa Yamete!~](https://t.vndb.org/cv/40/6040.jpg)

**Alternative Title:** 妹と幼馴染みの性奴指導 ～これ以上中に出すのはやめて！～

**Developer:** Gray Zone

**Release date:** Jul 9, 2010

**Platform:** Windows

**Language:** Japanese

**Rating:** 6.2/10 (avg, 3 votes)

## Description
Our protagonist is fed up with his father, who keeps getting fired from his jobs due to his heavy drinking.
Since his parents' divorce, he has struggled, which has led to him becoming cynical and being an outsider in his class.

Three years ago, his parents reconciled and he was reunited with his younger sister.
His sister diligently takes care of him, which warms the protagonist's heart a little and he becomes attracted to her.

However, the woman in question is his own sister, and he is left confused.
Then, his sister happily announces that she is marrying another man, and something inside the protagonist breaks.

On the day of the wedding, his sister is in her wedding dress, crying tears of happiness, and the protagonist takes action.

And so, he decides to take his sister away...

## Characters
### Kashiwabara Ichirou (柏原 一郎)
- **Gender:** Male
- **Hair:** Brown
- **Body:** Overweight
- **Role:** Older Brother

### Kashiwabara Hinaki (柏原 比奈姫)
- **Gender:** Female
- **Hair:** Waist Length+, Orange
- **Eyes:** Blue
- **Role:** Younger Sister
- **Voiced by:** Kazuna Sayaka

### Sagawa Ryouko (佐川 良子)
- **Gender:** Female
- **Hair:** Shoulder-length, Green
- **Eyes:** Blue
- **Role:** Younger Sister
- **Voiced by:** Sakuragi Chika

## Shops
- [Official Website](https://web.archive.org/web/20160712165242/http://www.gray-zone.jp/product/imoosa/index.html)
- [Getchu](http://www.getchu.com/soft.phtml?id=687870)

## Releases
### Japanese
- **2010-07-09**: Imouto to Osananajimi no Seido Shidou ~Kore Ijou Naka ni Dasu no wa Yamete!~ Download Edition - [Official website](https://web.archive.org/web/20160712165242/http://www.gray-zone.jp/product/imoosa/index.html), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=14070), [Gyutto](https://gyutto.com/i/item44919), [Digiket](https://www.digiket.com/work/show/_data/ID=ITM0044755/)
- **2010-07-30**: Imouto to Osananajimi no Seido Shidou ~Kore Ijou Naka ni Dasu no wa Yamete!~ Package Edition - [Official website](https://web.archive.org/web/20160712165242/http://www.gray-zone.jp/product/imoosa/index.html), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=14070), [Getchu](http://www.getchu.com/soft.phtml?id=687870)

## Tags
Blood-related Brother/Sister Incest, Imouto-type Heroine, Male Protagonist, Nukige, Group Sex of One Female and Several Males, Vibrators, Boobjob, Sixty-nine, Doggy Style, Group Sex of One Male and Several Females, Protagonist's Full Sister as a Heroine, Protagonist's Younger Sister as a Heroine, Defloration, Only Virgin Heroines, Chubby Protagonist, Netori, Jealousy, ADV, Vaginal Masturbation, Single Blowjob, Single Boobjob

## More Games from Gray Zone
- [Imouto to Osananajimi no Seido Shidou ~Kore Ijou Naka ni Dasu no wa Yamete!~](https://pinovel.net/v4911)

---
*View the full details at [pinovel.net/v4911](https://pinovel.net/v4911).*

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