---
title: "Sayuri ~Double Imouto Ninshin Kansatsu Nikki~"
description: "Read about Sayuri ~Double Imouto Ninshin Kansatsu Nikki~ visual novel."
image: "https://t.vndb.org/cv/19/65019.jpg"
---

# Sayuri ~Double Imouto Ninshin Kansatsu Nikki~

![Sayuri ~Double Imouto Ninshin Kansatsu Nikki~](https://t.vndb.org/cv/19/65019.jpg)

**Alternative Title:** さゆり ～ダブル妹妊娠観察日記～

**Developer:** Iwaijushii

**Release date:** Jan 25, 2023

**Platform:** Windows

**Language:** Japanese

**Rating:** 3.0/10 (avg, 2 votes)

## Characters
### Wakamori Shin'ichi (若森 真一)
- **Gender:** Male
- **Hair:** Brown, Short
- **Eyes:** Brown
- **Role:** Non-blood-related Brother, Older Brother

### Katori Sayuri (香取 さゆり)
- **Gender:** Female
- **Hair:** Brown, Long
- **Eyes:** Brown
- **Role:** Classmate
- **Subject of:** Pregnancy

### Wakamori Sayuri (若森 さゆり)
- **Gender:** Female
- **Hair:** Brown, Shoulder-length
- **Eyes:** Brown
- **Clothes:** Headband
- **Role:** Non-blood-related Sister, Younger Sister
- **Subject of:** Pregnancy

## Shops
- [DLsite](https://www.dlsite.com/maniax/work/=/product_id/RJ01021159.html)

## Releases
### Japanese
- **2023-01-25**: Sayuri ~Double Imouto Ninshin Kansatsu Nikki~ - [DLsite](https://www.dlsite.com/maniax/work/=/product_id/RJ01021159.html)

## Tags
Non-blood-related Brother/Sister Incest, Male Protagonist, Protagonist's Non-blood-related Sister as a Heroine, Group Sex of One Male and Several Females, Pregnant Sex, Protagonist with a Face, 80's, Impregnation, Lactation During Sex, Rope Bondage, Protagonist's Younger Sister as a Heroine, ADV, Nukige, Sex with Protagonist Only, Comedic Love Triangle, High School Student Protagonist, High School Student Heroine

## More Games from Iwaijushii
- [Otto no Tomodachi ni Fellatio Shimashita...](https://pinovel.net/v42807)
- [Hajimemashite no Aisatsu wa Berochuu de Iin Da yo ne ~Joushiki Uwagaki Sareru Kanojo~](https://pinovel.net/v42820)
- [Obore Ai ~Nandemo Suru kara Sutenaide!~](https://pinovel.net/v41559)
- [Imouto wa Mahou Shoujo](https://pinovel.net/v37596)
- [Sayuri ~Double Imouto Ninshin Kansatsu Nikki~](https://pinovel.net/v42732)

---
*View the full details at [pinovel.net/v42732](https://pinovel.net/v42732).*

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