---
title: "Imouto ni! Sukumizu Kisetara Nugasanai!"
description: "Takuto loves school swimsuits. One day, Moyu, his younger sister, suddenly tells him, \"You like school swimsuits, right? Shall I wear one for you?\" Like this, t"
image: "https://t.vndb.org/cv/10/28910.jpg"
---

# Imouto ni! Sukumizu Kisetara Nugasanai!

![Imouto ni! Sukumizu Kisetara Nugasanai!](https://t.vndb.org/cv/10/28910.jpg)

**Alternative Title:** 妹に！スク水着せたら脱がさないっ！

**Aliases:** 女子校生コスプレファイル　スクール水着を脱がさないっ！, Joshikousei Cosplay File School Mizugi o Nugasanai!

**Developer:** HAMHAM-SOFT

**Release date:** Dec 21, 2007

**Platform:** Windows, DVD

**Language:** Japanese

**Rating:** 6.8/10 (23 votes)

## Description
Takuto loves school swimsuits. One day, Moyu, his younger sister, suddenly tells him, "You like school swimsuits, right? Shall I wear one for you?" Like this, their secret photo party begins.... 

[From [Eroge Shop](https://web.archive.org/web/20090304202732/http://www.erogeshop.com/product_info.php/products_id/1008707)]

## Characters
### Aizawa Takuto (相沢 拓斗)
- **Gender:** Male
- **Role:** Father, Full Brother
- **Engages in:** Photography

### Aizawa Moyu (相沢 萌)
- **Gender:** Female
- **Measurements:** Height: 149cm, Weight: 41kg, Bust-Waist-Hips: 75-52-77cm
- **Hair:** Brown, Twin Tails, Short, Straight
- **Body:** Teen, Slim, Pale
- **Eyes:** Green
- **Role:** Mother, Full Sister, Younger Sister
- **Subject of:** Pregnancy, Erotic Photography
- **Clothes:** Hairpin, Ribbon Hair Tie, School Swimsuit
- **Voiced by:** Sasaki Akari

### Mamiya Sukuru (間宮 すくる)
- **Gender:** Female
- **Measurements:** Height: 158cm, Weight: 47kg, Bust-Waist-Hips: 83-57-83cm
- **Hair:** Short, Straight, Green
- **Body:** Teen, Slim, Pale
- **Eyes:** Blue
- **Engages in:** Lactation
- **Clothes:** School Swimsuit
- **Voiced by:** Asari

### Michiru (みちる)
- **Gender:** Female
- **Measurements:** Height: 153cm, Weight: 40kg, Bust-Waist-Hips: 78-51-80cm
- **Hair:** Black, Hime Cut, Long, Straight, Blunt Bangs, Sidehair
- **Eyes:** Brown
- **Body:** Teen, Slim, Pale
- **Subject of:** Pregnancy
- **Clothes:** School Swimsuit
- **Voiced by:** Tenten

### Suzuhara Keiko (鈴原 恵子)
- **Gender:** Female
- **Measurements:** Height: 167cm, Weight: 51kg, Bust-Waist-Hips: 91-59-88cm
- **Hair:** Brown, Sidehair
- **Eyes:** Brown
- **Body:** Teen, Slim, Pale
- **Clothes:** Hair Tie, School Swimsuit
- **Voiced by:** Morikawa Youko

### Suzuhara Ichigou (鈴原 一剛)
- **Gender:** Male
- **Body:** Teen, Pale
- **Clothes:** Glasses
- **Engages in:** Not Sexually Involved
- **Voiced by:** Kakogawa Takashi

## Shops
- [Official Website](https://hamham-soft.net/product/imosuku/)
- [DLsite](https://www.dlsite.com/pro/work/=/product_id/VJ014910.html)
- [Getchu](http://www.getchu.com/soft.phtml?id=406985)

## Releases
### Japanese
- **2007-12-21**: Imouto ni! Sukumizu Kisetara Nugasanai! - [Official website](https://hamham-soft.net/product/imosuku/), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=8983), [Getchu](http://www.getchu.com/soft.phtml?id=406985)
- **2009-03-13**: Imouto ni! Sukumizu Kisetara Nugasanai! Erotica - Download Edition - [Official website](https://hamham-soft.net/product/imosuku/), [DLsite](https://www.dlsite.com/pro/work/=/product_id/VJ003577.html), [Gyutto](https://gyutto.com/i/item46401), [Digiket](https://www.digiket.com/work/show/_data/ID=ITM0029101/), [DL.Getchu](http://dl.getchu.com/i/item1002728), [DMM](https://dlsoft.dmm.co.jp/detail/vsat_0049/)
- **2009-04-03**: Imouto ni! Sukumizu Kisetara Nugasanai! Erotica - New Package Edition - [Official website](https://hamham-soft.net/product/imosuku/)
- **2011-08-11**: Imouto ni! Sukumizu Kisetara Nugasanai! - DVDPG - [Official website](https://web.archive.org/web/20111011044523/http://aicherry.com/aicherryhp/contents/aicherry/jacket/aicdv0289/aicdv0289.html), [DMM](https://www.dmm.co.jp/mono/anime/-/detail/=/cid=1481aicdv0289/)
- **2021-11-12**: Imouto ni! Sukumizu Kisetara Nugasanai! HD Remaster - [Official website](https://hamham-soft.net/product/imosuku/), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=31796), [DLsite](https://www.dlsite.com/pro/work/=/product_id/VJ014910.html), [Gyutto](https://gyutto.com/i/item248423), [Digiket](https://www.digiket.com/work/show/_data/ID=ITM0225103/), [DL.Getchu](http://dl.getchu.com/i/item4037914), [DMM](https://dlsoft.dmm.co.jp/detail/vsat_0273/)

## Tags
Sexual Content, Blood-related Brother/Sister Incest, Imouto-type Heroine, Male Protagonist, Multiple Endings, Group Sex of One Male and Several Females, Pregnant Sex, Harem Ending, Protagonist's Kouhai as a Heroine, Vibrators, Protagonist with a Face, Defloration, Sex in Public Places, Only Virgin Heroines, Heroine with Swimsuits, Sixty-nine, Heroine With Kansai Accent, Built-in Walkthrough, Inbreeding, Non-penetrative Sex, Cunnilingus, Ejaculation Choice, Outdoor Sex, Colored Texts, Colored Name-tags, Excessive Semen, Bleep Censor, Pregnancy Ending, Bathroom Sex, Love Hotel, Censored Text, Twin Boobjob, Sexual Blindfold, Quickie Fix Position, Hero(ine) Selection, Changeable Font, Children Ending, Single Boobjob, Single Footjob, Pissing, Vaginal Fingering, Protagonist's Full Sister as a Heroine, Sex with Protagonist Only, Nukige, Sex in Water, Protagonist's Younger Sister as a Heroine

## More Games from HAMHAM-SOFT
- [Imouto ni! Sukumizu Kisetara Nugasanai!](https://pinovel.net/v1419)
- [Degarashi](https://pinovel.net/v36916)
- [Naisho Shishunki ~Himitsu ni Koi Suru Imouto-tachi~](https://pinovel.net/v1158)
- [Doinaka Channel 5 ~Kochira Suzune Gakuen Housou-bu~](https://pinovel.net/v3243)
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- [Low Spec!? ~Ore to Toshishita Kanojo to Seikyouiku!~](https://pinovel.net/v18875)
- [Imouto o Kegashita Kioku](https://pinovel.net/v22156)
- [Yuki no Yoru, Ore wa Imouto o Hadaka ni Suru.](https://pinovel.net/v25593)
- [Imosapo! ~Genkin de Low na Kyonyuu Imouto ni, Oppai Momasete Moraimashita~](https://pinovel.net/v28539)
- [Low na Imouto ni Succubus ga Toritsuita node Tanetsuke Yoyuu deshita.](https://pinovel.net/v30895)
- [Imobabu! ~Low na Imouto no Iyashi Oppai ga Sugoi no de, Boku no Jinsei Sasagemasu~](https://pinovel.net/v34616)
- [Mikotonori! ~Imouto Miko to Nakadashi Jorei~](https://pinovel.net/v44902)
- [Imouto wa Namaiki Kasshoku Maid-san.](https://pinovel.net/v49271)
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- [Sokubaku Jouzu na Koakuma Musume ♪](https://pinovel.net/v59022)
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---
*View the full details at [pinovel.net/v1419](https://pinovel.net/v1419).*

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