---
title: "Seiso na Kanojo ga Oyaji ni Netorare Shiranai Uchi ni Mesu Onaho Ochi"
description: "Iinuma Kouichi and Aikawa Miyu were dating. Miyu was a source of pride for Kouichi. She was intelligent, beautiful, excelled in academics, and had an attractive"
image: "https://t.vndb.org/cv/31/75731.jpg"
---

# Seiso na Kanojo ga Oyaji ni Netorare Shiranai Uchi ni Mesu Onaho Ochi

![Seiso na Kanojo ga Oyaji ni Netorare Shiranai Uchi ni Mesu Onaho Ochi](https://t.vndb.org/cv/31/75731.jpg)

**Alternative Title:** 清楚な彼女が親父に寝取られ知らないうちに雌オナホ堕ち

**Developer:** Courreges Ace

**Release date:** Jun 4, 2022

**Platform:** Windows, Android

**Language:** Japanese, Indonesian

**Rating:** 6.1/10 (38 votes)

## Description
Iinuma Kouichi and Aikawa Miyu were dating. Miyu was a source of pride for Kouichi. She was intelligent, beautiful, excelled in academics, and had an attractive figure with ample breasts that captivated the attention of boys. Kouichi felt fortunate to have such a desirable girlfriend. However, Miyu's attitude suddenly changed. She started avoiding Kouichi and stopped meeting him as often. Kouichi couldn't understand the reason behind this behavior. Meanwhile, Miyu was being deceived and seduced by Kouichi's father, Takeo. They engaged in repeated sexual acts. Miyu endured being penetrated by the enormous penis of her boyfriend's father...

## Characters
### Iinuma Kouichi (飯沼 公一)
- **Gender:** Male
- **Hair:** Black, Short
- **Eyes:** Hidden
- **Role:** Boyfriend
- **Subject of:** Netori (their SO is stolen), Betrayal, Breakup
- **Engages in:** Wedding

### Aikawa Miyu (愛川 美優)
- **Gender:** Female
- **Hair:** Black, Violet, Long
- **Body:** Teen, Pale, Big Breasts
- **Eyes:** Red
- **Clothes:** Skirt, Wedding Dress, Ribbon Tie, Blazer, Off-The-Shoulder Sweater
- **Subject of:** Nymphomania, Sexual Corruption, Betrayal, Pregnancy (by illegitimate partner), Netorare (they are the stolen SO)
- **Role:** Prostitute, AV Actor
- **Engages in:** Wedding, Breakup, Avoidable Infidelity
- **Voiced by:** Hanayasu Miu

### Iinuma Takeo (飯沼 武雄)
- **Gender:** Male
- **Role:** Divorcee, Father
- **Engages in:** Blackmail, Betrayal, Netori (steals the SO)
- **Personality:** Haraguro
- **Subject of:** Disappearance, Debt

## Shops
- [Official Website](http://www.crg-a.com/game_title/seisokanojontr/top.html)
- [DLsite](https://www.dlsite.com/maniax/work/=/product_id/RJ392207.html)
- [Getchu](http://www.getchu.com/soft.phtml?id=1185208)

## Releases
### Japanese
- **2022-05-27**: Seiso na Kanojo ga Oyaji ni Netorare Shiranai Uchi ni Mesu Onaho Ochi - Trial Edition - [Official website](http://www.crg-a.com/game_title/seisokanojontr/top.html)
- **2022-06-04**: Seiso na Kanojo ga Oyaji ni Netorare Shiranai Uchi ni Mesu Onaho Ochi - Download Edition - [Official website](http://www.crg-a.com/game_title/seisokanojontr/top.html), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=32731), [DLsite](https://www.dlsite.com/maniax/work/=/product_id/RJ392207.html), [Gyutto](https://gyutto.com/i/item253722), [Digiket](https://www.digiket.com/work/show/_data/ID=ITM0235146/), [Melonbooks.co.jp](https://www.melonbooks.co.jp/detail/detail.php?product_id=1495388), [DL.Getchu](http://dl.getchu.com/i/item4041983), [DMM](https://www.dmm.co.jp/dc/doujin/-/detail/=/cid=d_231743/)
- **2022-07-22**: Seiso na Kanojo ga Oyaji ni Netorare Shiranai Uchi ni Mesu Onaho Ochi - [Official website](http://www.crg-a.com/game_title/seisokanojontr/top.html)
- **2022-07-29**: Seiso na Kanojo ga Oyaji ni Netorare Shiranai Uchi ni Mesu Onaho Ochi - Package Edition - [Official website](http://www.crg-a.com/game_title/seisokanojontr/top.html), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=32731), [Melonbooks.co.jp](https://www.melonbooks.co.jp/detail/detail.php?product_id=1495388), [Getchu](http://www.getchu.com/soft.phtml?id=1185208), [DMM](https://www.dmm.co.jp/mono/doujin/-/detail/=/cid=d_merry0017), [Toranoana](https://ec.toranoana.shop/tora/ec/item/040030990485/)

### Indonesian
- **2024-06-06**: Seiso na Kanojo ga Oyaji ni Netorare Shiranai Uchi ni Mesu Onaho Ochi - [Official website](https://nnntranslation.blogspot.com/2024/06/seiso-na-kanojo-ga-oyaji-ni-netorare.html)

## Tags
Sexual Content, ADV, Male Protagonist, Multiple Endings, Father Support Character, Nukige, Bondage, Only a Single Heroine, High Sexual Content, Group Sex of One Female and Several Males, Sex Involving Prostitution, Pregnancy, Pregnant Sex, Netorare, Rape with Blackmail, Vibrators, Only Virgin Heroines, Missionary Position, Sounds of Copulation, Internal Exhibition of Sex, Impregnation, Lactation During Sex, Doggy Style, Female Ejaculation, Oyaji Hero, Few Choices, Naked Sprites, Anal Toys, Cowgirl, Only One Good Ending, Standing Sex, Sitting Sex, Butterfly, Ahegao, Kissing Scene, Non-consensual Erotic Humiliation, Avoidable Netorare (obsolete), Background Moans, Double Handjob, Anal Fingering, Double Penetration (Group Sex), Heroine Having Sex with Others, Rope Bondage, Single Boobjob, Single Blowjob, Anal Sex, High School Student Heroine, Heroine with Big Breasts

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---
*View the full details at [pinovel.net/v35616](https://pinovel.net/v35616).*

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