---
title: "Koi Suru Imouto wa Setsunakute Onii-chan o Omou to Sugu H Shichau no"
description: "Main character though that brother and sister relationship would never change... until that night... Faint pants of his sister leaked from the next room.   [Fro"
image: "https://t.vndb.org/cv/19/29219.jpg"
---

# Koi Suru Imouto wa Setsunakute Onii-chan o Omou to Sugu H Shichau no

![Koi Suru Imouto wa Setsunakute Onii-chan o Omou to Sugu H Shichau no](https://t.vndb.org/cv/19/29219.jpg)

**Alternative Title:** 恋する妹はせつなくてお兄ちゃんを想うとすぐHしちゃうの

**Developer:** Cage

**Release date:** Jul 25, 2003

**Platform:** Windows

**Language:** Japanese

**Rating:** 6.3/10 (9 votes)

## Description
Main character though that brother and sister relationship would never change... until that night... Faint pants of his sister leaked from the next room. 

[From [vndbreview](https://vndbreview.blogspot.com/2019/06/vn-of-month-july-2003-komorebi-ni.html)]

## Characters
### Shiki Akimi (志木 秋巳)
- **Gender:** Male
- **Hair:** Brown, Curtained, Shoulder-length
- **Engages in:** Cross-dressing, Cooking, Cleaning
- **Body:** Trap
- **Clothes:** School Uniform, Beret
- **Eyes:** Blue
- **Role:** Non-blood-related Brother, Middle Brother
- **Voiced by:** Matsui Midori

### Shiki Chinatsu (志木 千夏)
- **Gender:** Female
- **Hair:** Ahoge, Curtained, Shoulder-length, Parted in Middle, Orange
- **Body:** Teen, Slim, Pale
- **Eyes:** Green, Tareme
- **Clothes:** Sport Bloomers, Sports Uniform, Ribbon Headband
- **Role:** Full Sister, Non-blood-related Sister, Middle Sister
- **Engages in:** Sports
- **Personality:** Clumsy, Optimist
- **Voiced by:** Shimizu Kaori

### Shiki Mifuyu (志木 美冬)
- **Gender:** Female
- **Hair:** Violet, Waist Length+, Straight, Spiky Bangs
- **Personality:** Spoiled, Selfish
- **Role:** Full Sister, Non-blood-related Sister, Younger Sister
- **Subject of:** Illness, Weakness
- **Clothes:** Hairpin
- **Eyes:** Pink
- **Voiced by:** Tominaga Rie

## Shops
- [Official Website](http://products.rune.jp/catalogue/c009boys/)
- [DLsite](https://www.dlsite.com/pro/work/=/product_id/VJ004132.html)
- [Getchu](http://www.getchu.com/soft.phtml?id=84921)

## Releases
### Japanese
- **2003-07-25**: Koi Suru Imouto wa Setsunakute Onii-chan o Omou to Sugu H Shichau no - Package Edition - [Official website](https://web.archive.org/web/20170720113157/http://products.rune.jp/catalogue/c007imoh/), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=2887), [Getchu](http://www.getchu.com/soft.phtml?id=26061)
- **2004-08-27**: Cage Boy's Heroine Selection - Package Edition - [Official website](http://products.rune.jp/catalogue/c009boys/), [Getchu](http://www.getchu.com/soft.phtml?id=84921)
- **2007-07-25**: Koi Suru Imouto wa Setsunakute Onii-chan o Omou to Sugu H Shichau no - Download Edition - [Official website](http://rune-cage.softstore.jp/i/item44849), [DLsite](https://www.dlsite.com/pro/work/=/product_id/VJ002867.html), [Gyutto](https://gyutto.com/i/item44849), [Digiket](https://www.digiket.com/work/show/_data/ID=ITM0046115/), [DL.Getchu](http://dl.getchu.com/i/item1002649), [DMM](https://dlsoft.dmm.co.jp/detail/dcraft_0016/)
- **2009-09-18**: Cage Boy's Heroine Selection - Download Edition - [Official website](http://products.rune.jp/catalogue/c009boys/), [DLsite](https://www.dlsite.com/pro/work/=/product_id/VJ004132.html), [DMM](https://dlsoft.dmm.co.jp/detail/ggs_0264/)

## Tags
ADV, Male on Male Sex, Non-blood-related Brother/Sister Incest, Brother/Sister Romance, Imouto-type Heroine, Male Protagonist, Multiple Endings, Enforced Playing Order, Loli Heroine, Protagonist's Non-blood-related Sister as a Heroine, Domicile, Early Sexual Content, Trap Heroine, Harem Ending, Lesbian Lolicon, Straight Lolicon, Sex with Protagonist Only, Blood-related Brother/Sister Incest, Heroine with Sport Bloomers, Group Sex of One Female and Several Males, Protagonist's Younger Sister as a Heroine, Protagonist's Younger Brother as a Hero, Protagonist's Non-blood-related Brother as a Hero, Cross-dressing, Non-blood-related Brother/Brother Incest, Group Sex of One Male and Several Females

## More Games from Cage
- [Ori no Naka no Watashi](https://pinovel.net/v9368)
- [Yume no Sugata](https://pinovel.net/v8381)
- [Jun'ai GirL](https://pinovel.net/v3410)
- [Kakuriyo](https://pinovel.net/v11702)
- [Shippo no Kimochi](https://pinovel.net/v7232)
- [Koi Suru Imouto wa Setsunakute Onii-chan o Omou to Sugu H Shichau no](https://pinovel.net/v1976)
- [Yurine ~Onee-sama ga Oshiete Kureta~](https://pinovel.net/v5425)
- [Naisho no Yorimichi](https://pinovel.net/v4466)
- [Puru Moe Angel Idol Aiko](https://pinovel.net/v1709)
- [Pure My Imouto Milk Purun♪](https://pinovel.net/v1747)

---
*View the full details at [pinovel.net/v1976](https://pinovel.net/v1976).*

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```