---
title: "Imouto Choukyou Nikki ~Konna Tsundere ga Ore no Imouto na Wakenai!~"
description: "The protagonist, a die-hard eroge fan, is into \"exposure,\" \"rape,\" and \"training.\"   One day, his real sister, Himeki Ichinose, snapped at him.   \"Shut up and t"
image: "https://t.vndb.org/cv/61/42061.jpg"
---

# Imouto Choukyou Nikki ~Konna Tsundere ga Ore no Imouto na Wakenai!~

![Imouto Choukyou Nikki ~Konna Tsundere ga Ore no Imouto na Wakenai!~](https://t.vndb.org/cv/61/42061.jpg)

**Alternative Title:** 妹調教日記～こんなツンデレが俺の妹なわけない!～

**Developer:** NANACAN

**Release date:** Sep 3, 2011

**Platform:** Windows

**Language:** Japanese, Chinese (simplified)

**Rating:** 5.5/10 (249 votes)

## Description
The protagonist, a die-hard eroge fan, is into "exposure," "rape," and "training."  
One day, his real sister, Himeki Ichinose, snapped at him.  
"Shut up and train me if you're such a nerd!"  
Though it made no sense at all, this bizarre training life between brother and sister suddenly began.

[Translated from [dlsite](https://www.dlsite.com/maniax/work/=/product_id/RJ081727.html)]

## Characters
### Ichinose Makoto (一之瀬 誠)
- **Gender:** Male
- **Personality:** Otaku
- **Role:** Student Teacher

### Ichinose Himeki (一之瀬 姫月)
- **Gender:** Female
- **Measurements:** Height: 153cm, C cup
- **Birthday:** 7 July
- **Hair:** Brown, Twin Tails, Long
- **Body:** Teen, Pale
- **Clothes:** School Uniform, Hair Ribbon, Thigh-high Stockings
- **Eyes:** Red
- **Personality:** Modern Tsundere, Yandere
- **Subject of:** Bullying
- **Role:** High School Student, Exhibitionist, Younger Sister, AV Actor
- **Engages in:** Figure Skating, Avoidable Murder
- **Voiced by:** Momoka Ren

### Sakura Honoka (桜 ほのか)
- **Gender:** Female
- **Measurements:** Height: 159cm, D cup
- **Birthday:** 30 October
- **Hair:** Black, Waist Length+, Intake
- **Body:** Slim, Pale
- **Clothes:** School Uniform, Dress
- **Eyes:** Blue
- **Personality:** Shy, Clumsy
- **Subject of:** Homicide
- **Voiced by:** Suzuki Ryou

## Shops
- [Official Website](http://nanacan.babymilk.jp/top.html)
- [Steam](https://store.steampowered.com/app/4286110/)
- [DLsite](https://www.dlsite.com/maniax/work/=/product_id/RJ081727.html)

## Releases
### Japanese
- **2011-09-03**: Imouto Choukyou Nikki ~Konna Tsundere ga Ore no Imouto na Wakenai!~ - [Official website](http://nanacan.babymilk.jp/top.html), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=15925), [DLsite](https://www.dlsite.com/maniax/work/=/product_id/RJ081727.html)
- **2011-09-03**: Imouto Choukyou Nikki ~Konna Tsundere ga Ore no Imouto na Wakenai!~ Trial Edition - [DLsite](https://www.dlsite.com/maniax/work/=/product_id/RJ081727.html)
- **2013-08-11**: Imouto Choukyou Nikki - Complete Box - [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=19412)

### Chinese (simplified)
- **2012-02-03**: Mei Tiaojiao Riji ~ Zheyang de Aojiao cai Bushi Wo de Meimei - [Official website](http://bbs.seikuu.com/thread-85085-1-1.html)
- **2014-01-25**: Mei Tiaojiao Riji COMPLETE - [Official website](https://bbs2.seikuu.com/forum.php?mod=viewthread&tid=132251)
- **2026**: Mei Tiaojiao Riji - [Steam](https://store.steampowered.com/app/4286110/), [SteamDB](https://steamdb.info/app/4286110/info/)

## Tags
ADV, Brother/Sister Incest, Blood-related Brother/Sister Incest, Brother/Sister Romance, Male Protagonist, Adult Protagonist, Gore, Guro, Bullying, Yandere Heroine, Modern Tsundere Heroine, Nukige, Sexual Slavery, Only a Single Heroine, High Sexual Content, Group Sex of One Female and Several Males, Teacher Protagonist, Bad Ending(s), Defloration, Only Virgin Heroines, Exhibitionism, Death of Heroine, Bad Endings with Story, Only One Good Ending, Jealousy, Only Protagonist's Sisters as Heroine(s), Gang Bang, Unoriginal Soundtrack, Only Younger Heroines, Forbidden Love, Heroine Having Sex with Others, Anal Sex, Protagonist's Full Sister as a Heroine, High School Student Heroine, Protagonist's Younger Sister as a Heroine, Only Blood-related Heroines, Unoriginal Graphics

## More Games from NANACAN
- [Imouto Choukyou Nikki ~Konna Tsundere ga Ore no Imouto na Wakenai!~](https://pinovel.net/v9303)
- [Imouto Choukyou Nikki√happy end & another](https://pinovel.net/v13190)
- [Nagaruboshi -a wish star-](https://pinovel.net/v51298)
- [Nagaruboshi Fandisk.](https://pinovel.net/v57560)

---
*View the full details at [pinovel.net/v9303](https://pinovel.net/v9303).*

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