---
title: "Gibomai ~Haitoku no Kyouen~"
description: "A renowned painter died of heart disease while he was married to Megumi, a woman much younger than he was. His son, Kyosuke, never liked that union and wanted M"
image: "https://t.vndb.org/cv/91/28691.jpg"
---

# Gibomai ~Haitoku no Kyouen~

![Gibomai ~Haitoku no Kyouen~](https://t.vndb.org/cv/91/28691.jpg)

**Alternative Title:** 犠母妹～背徳の狂宴～

**Aliases:** Step Sister

**Developer:** Selen

**Release date:** Jun 15, 2001

**Platform:** Windows

**Language:** Japanese

**Rating:** 6.6/10 (10 votes)

## Description
A renowned painter died of heart disease while he was married to Megumi, a woman much younger than he was. His son, Kyosuke, never liked that union and wanted Megumi out of the house. Therefore Megumi proposes that Kyosuke can do anything he wants with her daughter Yuna, Kyosuke's sister-in-law, if he allows them to stay. Naturaly, Kyosuke accepts.

[Edited from [AniDB](http://anidb.net/perl-bin/animedb.pl?show=anime&aid=1604)]

## Characters
### Misaka Nakuru (美坂 那久瑠)
- **Gender:** Female
- **Measurements:** Height: 163cm, Bust-Waist-Hips: 86-56-85cm
- **Hair:** Black, Long, Pubic Hair
- **Eyes:** Blue
- **Clothes:** Glasses, Skirt, Turtleneck Shirt, Blazer
- **Role:** University Student
- **Voiced by:** Iwata Yuki

### Wakao Megumi (若尾 恵)
- **Gender:** Female
- **Measurements:** Height: 167cm, Bust-Waist-Hips: 90-57-88cm
- **Hair:** Blond, Pubic Hair
- **Eyes:** Amber
- **Body:** Young-adult, Mole, Nail Polish
- **Clothes:** Dress, Cross Necklace, Miniskirt, Pendant Necklace, Blazer, Pet Collar
- **Role:** Widow, Mother, Non-blood-related Mother
- **Voiced by:** Nagumo Ryou

### Wakao Yuuna (若尾 悠奈)
- **Gender:** Female
- **Measurements:** Height: 157cm, Bust-Waist-Hips: 82-53-83cm
- **Hair:** Brown, Twin Tails, Long
- **Clothes:** School Uniform, T-shirt, Sport Bloomers, Bow Tie, Rubber Band With Beads, Pinafore Dress, Pet Collar
- **Eyes:** Amber
- **Role:** Daughter, Non-blood-related Sister, High School Student
- **Voiced by:** Iwata Yuki

## Shops
- [Official Website](http://www.selen.gr.jp/prd/Gibomai/)
- [Getchu](http://www.getchu.com/soft.phtml?id=164101)

## Releases
### Japanese
- **2001-06-15**: Gibomai ~Haitoku no Kyouen~ DVD-ROM Edition - [Official website](http://www.selen.gr.jp/prd/Gibomai/), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=1462), [Getchu](http://www.getchu.com/soft.phtml?id=5821)
- **2001-06-15**: Gibomai ~Haitoku no Kyouen~ CD-ROM Edition - [Official website](http://www.selen.gr.jp/prd/Gibomai/), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=1462), [Getchu](http://www.getchu.com/soft.phtml?id=5820)
- **2005-05-27**: Gibomai ~Haitoku no Kyouen~ with Gibomai Mini Fandisc - [Official website](http://www.selen.gr.jp/product/60.php), [Getchu](http://www.getchu.com/soft.phtml?id=164101)
- **2019-02-12**: Gibomai ~Haitoku no Kyouen~ Download Edition - [Official website](http://www.selen.gr.jp/prd/Gibomai/), [DMM](https://dlsoft.dmm.co.jp/detail/selen_0017/)

## Tags
Non-blood-related Brother/Sister Incest, Bondage, Protagonist's Non-blood-related Sister as a Heroine, Protagonist's Non-blood-related Mother as a Heroine, Non-blood-related Mother/Son Incest, High School Student Heroine

## More Games from Selen
- [Deep](https://pinovel.net/v11451)
- [Rensa ~Uragiri no Kusari~](https://pinovel.net/v8139)
- [Deep/Zero](https://pinovel.net/v2579)
- [Gimai ~Haitoku no Chigiri~](https://pinovel.net/v11453)
- [Gibomai ~Haitoku no Kyouen~](https://pinovel.net/v1268)
- [Deep Fantasy](https://pinovel.net/v2444)
- [Aniyome](https://pinovel.net/v9669)
- [Gibo Shimai](https://pinovel.net/v1106)
- [Gibo Shimai SLG](https://pinovel.net/v2496)
- [Shin Aniyome](https://pinovel.net/v1093)
- [OL Shimai](https://pinovel.net/v1736)
- [Ringetsu](https://pinovel.net/v4071)
- [Ringetsu Mini Fandisc](https://pinovel.net/v4073)
- [Futari no Aniyome](https://pinovel.net/v2449)
- [Tsuma Mix](https://pinovel.net/v6301)
- [Rensa Byoutou](https://pinovel.net/v7058)
- [Shakkin Shimai](https://pinovel.net/v452)
- [Shin Ringetsu](https://pinovel.net/v4074)
- [Shakkin Shimai 2](https://pinovel.net/v976)
- [Hara Miko](https://pinovel.net/v1714)
- [Shakkin Shimai 2 Afterstory](https://pinovel.net/v3500)

---
*View the full details at [pinovel.net/v1268](https://pinovel.net/v1268).*

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```