---
title: "Ikenai Kozukuri ~Shin'yuu no Okaa-san ni Tanetsuke Shimakuru Isshuukan~"
description: "In a moment of weakness Ritsu gets the beautiful housewife Sagamiya Yura to betray her husband and have sex with him. Declaring his love for her and his desire "
image: "https://t.vndb.org/cv/16/139616.jpg"
---

# Ikenai Kozukuri ~Shin'yuu no Okaa-san ni Tanetsuke Shimakuru Isshuukan~

![Ikenai Kozukuri ~Shin'yuu no Okaa-san ni Tanetsuke Shimakuru Isshuukan~](https://t.vndb.org/cv/16/139616.jpg)

**Alternative Title:** いけない子作り ～親友のお母さんに種付けしまくる1週間～

**Developer:** Eroit

**Release date:** Mar 28, 2014

**Platform:** Windows, DVD

**Language:** Japanese, English

**Rating:** 6.9/10 (84 votes)

## Description
In a moment of weakness Ritsu gets the beautiful housewife Sagamiya Yura to betray her husband and have sex with him. Declaring his love for her and his desire to marry her and have children she says that it's impossible. Desperate he begs her to at least let him try and make her pregnant while her husband is away on business. If he succeeds then their relationship is approved by God.

He now has one week to make her pregnant before her husband returns.

## Characters
### Takashina Ritsu (高階 律)
- **Gender:** Male
- **Alias:** Rikkun
- **Hair:** Black, Short, Straight, Spiky Bangs
- **Body:** Teen, Slim, Pale
- **Clothes:** Trousers, Suit, Shirt
- **Engages in:** Cooking, Netori (steals the SO), Wedding
- **Eyes:** Hidden
- **Personality:** Reserved
- **Role:** Husband, Father, Friend, Neighbor, High School Student, Half-orphan

### Sagimiya Yura (鷺宮 由良)
Ritsu's neighbor she's been married for 18 years and has a son named Masaki. She calls Ritsu 'Rikkun'.

- **Gender:** Female
- **Measurements:** Height: 154cm, Bust-Waist-Hips: 99-63-95cm
- **Hair:** Black, Waist Length+, Wavy, V Bangs
- **Body:** Slim, Pale, Young-adult, Big Breasts
- **Personality:** Friendly, Relaxed, Kind
- **Role:** Wife, Divorcee, Mother, Neighbor, Not a Virgin, Popular, Housewife, Lonely
- **Clothes:** Tank Top, Wedding Dress, Bikini, Yukata, Veil, Wedding Ring, Micro Bikini
- **Eyes:** Pink
- **Engages in:** Infidelity, Childbirth, Wedding, Remarriage
- **Subject of:** Pregnancy (by illegitimate partner), Netorare (they are the stolen SO)
- **Voiced by:** Himari

### Sagimiya Masaki (鷺宮 昌樹)
Ritsu friend and Yura's only son.

- **Gender:** Male
- **Hair:** Brown, Short
- **Eyes:** Brown
- **Body:** Slim, Pale, Young-adult
- **Personality:** Shy, Mother Complex
- **Role:** Son, Friend, High School Student, School Swimming Club Member
- **Engages in:** Not Sexually Involved

## Shops
- [Official Website](http://www.eroit.net/ikenaikodukuri/index.html)
- [DLsite](https://www.dlsite.com/pro/work/=/product_id/VJ008475.html)
- [Getchu](http://www.getchu.com/soft.phtml?id=1337038)

## Releases
### Japanese
- **2014-03-20**: Ikenai Kozukuri ~Shinyuu no Okaa-san ni Tanetsuke Shimakuru Isshukan~ Trial Edition - [Official website](http://www.eroit.net/ikenaikodukuri/index.html)
- **2014-03-28**: Ikenai Kozukuri ~Shinyuu no Okaa-san ni Tanetsuke Shimakuru Isshukan~ Package Edition - [Official website](http://www.eroit.net/ikenaikodukuri/index.html), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=20174), [Getchu](http://www.getchu.com/soft.phtml?id=799012)
- **2014-03-28**: Ikenai Kozukuri ~Shinyuu no Okaa-san ni Tanetsuke Shimakuru Isshukan~ Download Edition - [Official website](http://www.eroit.net/ikenaikodukuri/index.html), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=20174), [DLsite](https://www.dlsite.com/pro/work/=/product_id/VJ008475.html), [Gyutto](https://gyutto.com/i/item120980), [Digiket](https://www.digiket.com/work/show/_data/ID=ITM0098337/), [DL.Getchu](http://dl.getchu.com/i/item1004730), [DMM](https://dlsoft.dmm.co.jp/detail/ggs_0898/)
- **2014-12-11**: Ikenai Kozukuri ~Shin'yuu no Okaa-san ni Tanetsuke Shimakuru Isshuukan~ DVDPG - [Official website](http://www.n43project.com/n43/mnpg60/outline.html), [DMM](https://www.dmm.co.jp/mono/anime/-/detail/=/cid=h_107mnpg60/)
- **2018-02-23**: Eroitto Kozukuri Series Pack - [Official website](http://www.boot.eroit.net/eropack.html)
- **2020-09-24**: Ikenai Kozukuri ~Shin'yuu no Okaa-san ni Tanetsuke Shimakuru Isshuukan~ + Oyako Ai ~Ikenai Kozukuri 2~ Low Price Edition DVDPG - [Official website](http://n43project.com/n43/npg369/index.html)
- **2025-08-14**: Ikenai Kozukuri ~Shin'yuu no Okaa-san ni Tanetsuke Shimakuru Isshuukan~  Low Price Edition DVDPG - [Getchu](http://www.getchu.com/soft.phtml?id=1337038)

### English
- **2022**: Ikenai Kozukuri ~Shinyuu no Okaa-san ni Tanetsuke Shimakuru Isshukan~ - [Official website](https://sugoivisualnovel.up.railway.app/vns/14547)

## Tags
ADV, Male Protagonist, Nukige, Only a Single Heroine, Early Sexual Content, Pregnant Sex, Heroine with Sexual Experience, Netori, Married Heroine, Side Portraits, Heroine with Swimsuits, Wedding, Missionary Position, Sixty-nine, Impregnation, Lactation During Sex, Cunnilingus, Heroine with Kimono, Female Ejaculation, Infidelity, Sex in Water, Standing Sex, Sitting Sex, Spoons, Discreet Sex, Bathroom Sex, Kissing Scene, May-December Romance, Reverse Missionary, Quickie Fix Position, Discreet Phone Sex, Only Adult Heroines, Adult Breast Sucking, No "Keep Voice on Click" Option, Only Non-Virgin Heroines, Pregnancy Good Ending, Single Boobjob, Single Footjob, Single Handjob, Single Blowjob, Anal Sex, Sex with Protagonist Only

## More Games from Eroit
- [Nee-san no Kareshi ~Akogare no Nee-san ga Shin'yuu to Tsukiai Hajimemashita~](https://pinovel.net/v12819)
- [Ikenai Kozukuri ~Shin'yuu no Okaa-san ni Tanetsuke Shimakuru Isshuukan~](https://pinovel.net/v14547)
- [Oyako Ai ~Ikenai Kozukuri 2~](https://pinovel.net/v15287)
- [Kaa-san no Otoko ~Yajuu no You na Otoko ni Mesu no Yorokobi o Oboesaserareru Saiai no Haha~](https://pinovel.net/v16720)
- [Oyako Ai 2](https://pinovel.net/v17429)
- [Ikenai Kozukuri 3 ~Musuko no Koibito ga Miryokuteki de Komattemasu~](https://pinovel.net/v18812)
- [Boku no Daisuki na Oba-san](https://pinovel.net/v19189)
- [Onna Ninja Azusa vs Orc ~Zecchou! Ishukan Battle!~](https://pinovel.net/v20365)
- [Ikenai Kozukuri 4 ~Namaiki na Aneki ga Jitsu wa Ore no Semen ga Daisuki Datta!?~](https://pinovel.net/v20908)
- [Bokan ~Kaa-san no Naka wa Dare no Mono?~](https://pinovel.net/v22066)
- [Ikenai Kozukuri 5 ~Tonari ni Koshitekita Hitozuma to Ikenai Sex~](https://pinovel.net/v22470)
- [Onna Ninja Azusa vs Orc 2 ~Injuu-tachi no Utage~](https://pinovel.net/v23059)
- [Musume no Mirai ~Itoshii Musume ga Kairaku ni Ochiru Toki~](https://pinovel.net/v24856)
- [Onna Ninja Azusa vs Orc 3 ~Injuu-tachi no Oukoku~](https://pinovel.net/v25554)
- [Tomodachi no Haha ~Jukujuku Taru Omoi~](https://pinovel.net/v28015)
- [Kaa-san no Otoko 2 ~Saiai no Haha ni Muragaru Osu~](https://pinovel.net/v28402)
- [Aisai ~Tsuma to Oyaji Dake no Toki~](https://pinovel.net/v30974)
- [Hitozuma Heaven ~Takuran Ureta Shikyuu ni Kodane o Sosogu~](https://pinovel.net/v31770)
- [Boku no Inai Jikan ni Maotoko-tachi ni Tanetsukesareru Haha](https://pinovel.net/v38518)
- [Hitozuma Heaven 2 ~Hanshoku Mansion, Hitozuma no Shikyuu o Kodane de Mitasu~](https://pinovel.net/v50141)
- [Torarenbo ~Natsu no Aru Hi, Kaa-san wa Boku no Shin'yuu no Kodomo o Migomotta~](https://pinovel.net/v52445)
- [Ikenai Kozukuri DX ~Kousai Aite no Hahaoya to Ikenai Kozukuri~](https://pinovel.net/v58249)
- [Tomodachi no Haha 2 ~Ren'ai Jouju no Kami Appli de Shin'yuu no Kaasan o Koibito ni~](https://pinovel.net/v64165)

---
*View the full details at [pinovel.net/v14547](https://pinovel.net/v14547).*

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