---
title: "Boku wa Kanojo no Uwaki o Shitteiru"
description: "The heroine Sae Yamanaka and Hiroshi, the protagonist, have been in love since their childhood. Currently Sae goes to a distant university and is in a long dist"
image: "https://t.vndb.org/cv/27/46327.jpg"
---

# Boku wa Kanojo no Uwaki o Shitteiru

![Boku wa Kanojo no Uwaki o Shitteiru](https://t.vndb.org/cv/27/46327.jpg)

**Alternative Title:** 僕は彼女の浮気を知っている

**Developer:** Atelier Sakura

**Release date:** Aug 28, 2020

**Platform:** Windows

**Language:** English, Japanese, Russian

**Rating:** 5.8/10 (119 votes)

## Description
The heroine Sae Yamanaka and Hiroshi, the protagonist, have been in love since their childhood. Currently Sae goes to a distant university and is in a long distance relationship.

One day when Hiroshi went to her house, he heard Sae's moans from inside. She was having sex with a man other than him, he felt a betrayed shock, but at the same time, a strong excitement he had never felt hit him.

"What kind of expression and gesture would she make with a man other than myself? I want to know. I just want to know what kind of sex you have with a man other than me."

Driven by the distorted desire, Hiroshi finally takes action.

"Because I want to see her cheating sex."

[Translated from the [official website](http://www.at-sakura.net/ntr/brand/075/index.html)]

## Characters
### Shimamiya Hiroshi (嶋宮 博)
- **Gender:** Male
- **Role:** Boyfriend, University Student, Part-time Worker, Living Alone
- **Personality:** Distrustful
- **Subject of:** Infidelity, Netori (their SO is stolen)
- **Engages in:** Long Distance Relationship

### Yamanaka Sae (山中 紗枝)
- **Gender:** Female
- **Hair:** Short, Claret
- **Eyes:** Blue
- **Clothes:** T-shirt, Jeans, Sports Bra
- **Role:** Girlfriend, University Student, School Athletic Club Member
- **Engages in:** Infidelity, Long Distance Relationship
- **Subject of:** Netorare (they are the stolen SO)
- **Voiced by:** Nanagi Rutoro

### Sudou Retsu (須藤 烈)
- **Gender:** Male
- **Hair:** Black, Short, Goatee
- **Eyes:** Amber, Sanpaku Eyes
- **Body:** Muscular
- **Personality:** Selfish, Outgoing, Arrogant, Rude, Dishonest, Stylish, Promiscuous
- **Engages in:** Smoking, Netori (steals the SO)
- **Clothes:** Tank Top, Pendant Necklace
- **Role:** Sex Friend

## Shops
- [Official Website](http://www.at-sakura.net/ntr/brand/075/index.html)
- [DLsite](https://www.dlsite.com/pro/work/=/product_id/VJ013721.html)

## Releases
### Japanese
- **2020-08-28**: Boku wa Kanojo no Uwaki o Shitteiru - Package Edition - [Official website](http://www.at-sakura.net/ntr/brand/075/index.html), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=29708), [DMM](https://www.dmm.co.jp/mono/pcgame/-/detail/=/cid=1607aspc0108), [Toranoana](https://ec.toranoana.shop/tora/ec/item/210006614295/)
- **2020-08-28**: Boku wa Kanojo no Uwaki o Shitteiru - Download Edition - [Official website](http://www.at-sakura.net/ntr/brand/075/index.html), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=29708), [DLsite](https://www.dlsite.com/pro/work/=/product_id/VJ013721.html), [Gyutto](https://gyutto.com/i/item235613), [Digiket](https://www.digiket.com/work/show/_data/ID=ITM0205741/), [DL.Getchu](http://dl.getchu.com/i/item4029245), [DMM](https://dlsoft.dmm.co.jp/detail/aquras_0148/)

### English
- **2022-12-25**: My girlfriend's affairs - [Patreon post](https://www.patreon.com/posts/75198874)

### Russian
- **2024-03-23**: My girlfriend's affairs - [Official website](https://pornolab.net/forum/viewtopic.php?t=3070959)

## Tags
Male Protagonist, Single Ending, Protagonist's Childhood Friend as a Heroine, Nukige, Only a Single Heroine, Unlockable Routes, Netorare, Tomboy Heroine, Other Perspectives, Only Bad Endings, Voyeurism, Protagonist's Girlfriend as a Heroine, Infidelity, Rape by Deception, Netorare Type B, Ahegao

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---
*View the full details at [pinovel.net/v28622](https://pinovel.net/v28622).*

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```