---
title: "Aniki no Niizuma ~Otto no Koto ga Suki na no ni....~"
description: "Natsumi lives a happy life with her husband. However, she is worried about his younger brother, Kurou, who lives together with them, because of his delinquency."
image: "https://t.vndb.org/cv/48/130948.jpg"
---

# Aniki no Niizuma ~Otto no Koto ga Suki na no ni....~

![Aniki no Niizuma ~Otto no Koto ga Suki na no ni....~](https://t.vndb.org/cv/48/130948.jpg)

**Alternative Title:** 兄貴の新妻～夫のことが好きなのに…～

**Aliases:** Niiduma

**Developer:** Goku-Fero

**Release date:** Oct 22, 2010

**Platform:** Windows, DVD

**Language:** Japanese

**Rating:** 7.1/10 (27 votes)

## Description
Natsumi lives a happy life with her husband. However, she is worried about his younger brother, Kurou, who lives together with them, because of his delinquency. But one day, when she is involved in a trouble, Kurou saves her and she says, "I'll do anything for you." Like this, she sleeps with Kurou... At first, she doesn't want it, but she gradually gets addicted to his techniques... Days later, Haruka, her younger sister suddenly visits their house and sees them having sex...

[From erogeShop]

## Characters
### Mishima Natsumi (三嶋　夏海)
- **Gender:** Female
- **Hair:** Brown, Waist Length+
- **Eyes:** Blue
- **Body:** Young-adult, Big Breasts
- **Role:** Wife, Full Sister, Sister-in-law, Older Sister
- **Clothes:** Tank Top
- **Engages in:** Infidelity
- **Subject of:** Pregnancy (by illegitimate partner), Netorare (they are the stolen SO)
- **Voiced by:** Tsuki Akari

### Mishima Kurou (三嶋 狗朗)
- **Gender:** Male
- **Role:** Brother-in-law, University Student, Younger Brother
- **Engages in:** Netori (steals the SO)

### Mishima Yuuya (三嶋 優也)
- **Gender:** Male
- **Role:** Husband, Older Brother
- **Subject of:** Netori (their SO is stolen)

### Saeki Haruka (佐伯　春歌)
- **Gender:** Female
- **Hair:** Brown, Long
- **Eyes:** Violet
- **Body:** Young-adult, Big Breasts
- **Clothes:** Hair Ribbon
- **Role:** Full Sister, Sister-in-law, Younger Sister
- **Subject of:** Pregnancy
- **Voiced by:** Anzu Hana

## Shops
- [Official Website](http://masterup.net/gokufero/product/niiduma/index.html)
- [Getchu](http://www.getchu.com/soft.phtml?id=927964)

## Releases
### Japanese
- **2010-10-22**: Aniki no Niizuma ~Otto no Koto ga Suki na no ni....~ Download Edition - [Official website](http://masterup.net/gokufero/product/niiduma/index.html), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=14347)
- **2010-11-05**: Aniki no Niizuma ~Otto no Koto ga Suki na no ni....~ Package Edition - [Official website](http://masterup.net/gokufero/product/niiduma/index.html), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=14347), [Getchu](http://www.getchu.com/soft.phtml?id=691067)
- **2014-02-14**: Aniki no Niizuma ~Otto no Koto ga Suki na no ni....~ DVDPG - [Getchu](http://www.getchu.com/soft.phtml?id=927964), [DMM](https://www.dmm.co.jp/mono/anime/-/detail/=/cid=dply003/)
- **2016-10-14**: Aniki no Niizuma ~Otto no Koto ga Suki na no ni....~ DVDPG Low Price Edition - [Getchu](http://www.getchu.com/soft.phtml?id=927964)

## Tags
ADV, Blood-related Sister/Sister Incest, Female Protagonist, Adult Protagonist, Nukige, Twin Sisters as Heroines, Group Sex of One Male and Several Females, Pregnancy, Pregnant Sex, Harem Ending, Adult Heroine, Netorare, Protagonist in Relationship, Twin Blowjob, Adult Hero, Impregnation, Twincest, Doggy Style, Infidelity, Protagonist's Husband as a Hero, Anal Sex, Protagonist's Full Sister as a Heroine, Heroine with Big Breasts, Protagonist with Big Breasts, In-law Incest

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---
*View the full details at [pinovel.net/v5340](https://pinovel.net/v5340).*

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