---
title: "Kyoudai Dousei"
description: "Main character's father remarries, so protagonist gets a new mother and sister. First impression of step-sister was a quiet crybaby. But both parents die in a t"
image: "https://t.vndb.org/cv/78/114578.jpg"
---

# Kyoudai Dousei

![Kyoudai Dousei](https://t.vndb.org/cv/78/114578.jpg)

**Alternative Title:** 兄妹同棲

**Developer:** Fluorite

**Release date:** Dec 30, 2003

**Platform:** Windows

**Language:** Japanese

**Rating:** 6.0/10 (avg, 3 votes)

## Description
Main character's father remarries, so protagonist gets a new mother and sister. First impression of step-sister was a quiet crybaby. But both parents die in a traffic incident, so protagonist has to take care of her, and distance decreases. Is step-sister really an important relative now?

[From [vndbreview](https://vndbreview.blogspot.com/2019/11/vn-of-month-december-2005-yatohime.html)]

## Characters
### Kondou Yuuji (近藤 悠司)
- **Gender:** Male
- **Role:** Father, Older Brother, Office Worker
- **Subject of:** Coma

### Kashiwazaki Reika (柏崎 鈴香)
- **Gender:** Female
- **Hair:** Brown, Long
- **Items:** Knife
- **Personality:** Yandere
- **Role:** Senpai, Not a Virgin
- **Engages in:** Stalking
- **Clothes:** Hairpin

### Kondou Yukine (近藤 雪音)
- **Gender:** Female
- **Hair:** Black
- **Role:** Orphan, Mother, Non-blood-related Sister, Younger Sister
- **Eyes:** Blue
- **Subject of:** Pregnancy, Androphobia
- **Clothes:** Ribbon Headband

### Hirose Shinji (広瀬 進二)
- **Gender:** Male
- **Hair:** Black
- **Clothes:** Glasses
- **Role:** Office Worker

### Tachibana Aki (橘 亜紀)
- **Gender:** Female
- **Hair:** Twin Tails
- **Role:** Maid, Waitstaff
- **Clothes:** Maid's Dress, Maid's Headdress

## Shops
- [Official Website](http://fluorite.dojin.com/765/fluotry01.html)

## Releases
### Japanese
- **2003-12-30**: Kyoudai Dousei ~Chapter 1~ - [Official website](http://fluorite.dojin.com/dousei01.html), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=4011)
- **2004-08-15**: Kyoudai Dousei ~Chapter 2~ - [Official website](http://fluorite.dojin.com/dousei02.html), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=3759)
- **2005-08-14**: Kyoudai Dousei ~Chapter 3~ - [Official website](http://fluorite.dojin.com/dousei03.html), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=6252)
- **2005-12-30**: Kyoudai Dousei ~Complete Edition~ - [Official website](http://fluorite.dojin.com/fream.html), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=4011)
- **2009-12-31**: FLUORITE TRIAL! vol.1 - [Official website](http://fluorite.dojin.com/765/fluotry01.html), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=38786), [Melonbooks.co.jp](https://www.melonbooks.co.jp/detail/detail.php?product_id=945259)

## Tags
NVL, Protagonist's Senpai as a Heroine, Male Protagonist, Loli Heroine, Photographic Backgrounds, Salaryman Protagonist, Date Display, Straight Lolicon, Changeable Font, Heroine with Big Breasts, Protagonist's Non-blood-related Sister as a Heroine, Co-worker Heroine, Sexual Fantasizing, Vaginal Masturbation, Single Boobjob, Censored Text, Sex at Work, Bukkake, Naked Sprites, Protagonist with a Face, Love Hotel, Kissing Scene, Single Blowjob, Defloration, Adult Heroine, Other Perspectives, Pissing, Bathroom Sex, Vibrators, Anal Sex, Yandere Heroine, Multiple Endings, One True End, Androphobic Heroine, Impregnation, Drama, Children Ending, Erotic Spanking, Bondage, Sex on Toilet, Anal Toys, Rape Victim Heroine, Unlockable Bonus Content, Bad Ending(s)

## More Games from Fluorite
- [Maid Café FP Jimusho e Youkoso!](https://pinovel.net/v40397)
- [Kyoudai Dousei](https://pinovel.net/v27301)
- [Idol Yukiho no Wan-chan Panic!](https://pinovel.net/v9290)
- [Idol Yukiho no Elevator de Action!](https://pinovel.net/v9291)
- [Idol Yukiho no H Ressha de Ikou!](https://pinovel.net/v9293)
- [Moshi Idol to P ga Doko ka ni Tojikomerare, H Shitaku Naru Drug o Nomasaretara](https://pinovel.net/v40405)
- [Ore no Yukiho ga Konna ni Scandalous na Wake ga Nai](https://pinovel.net/v9294)
- [Idol Yukiho no Kankin Rape!](https://pinovel.net/v36173)
- [Idol Yukiho Toaru Hi no Fuukei](https://pinovel.net/v40385)
- [Idol Yukiho no Godwan-chan Panic!](https://pinovel.net/v40383)
- [Sei Chishiki no Nai Imouto ni, Ecchi na Massage o Shitemita Kekka...](https://pinovel.net/v26404)
- [Sei Chishiki no Nai Imouto ni, Ofuro Ecchi o Oshiete Mita Kekka...](https://pinovel.net/v22091)
- [Sei Chishiki no Nai Imouto ni, Yagai Roshutsu no Yosa o Oshiete Mita Kekka...](https://pinovel.net/v31275)
- [Jimi na Succubus no Sodatekata](https://pinovel.net/v40387)

---
*View the full details at [pinovel.net/v27301](https://pinovel.net/v27301).*

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```