---
title: "Onii-chan, Erande yo! ~Kyuu ni Kawaii Mitsugo no Imouto ga Yattekite Chou Yabai~"
description: "I, Sekijima Kaoru, live under the same roof with three beautiful triplets. My father's new wife has three daughters, all triplets.  Everyone is jealous of me fo"
image: "https://t.vndb.org/cv/67/32067.jpg"
---

# Onii-chan, Erande yo! ~Kyuu ni Kawaii Mitsugo no Imouto ga Yattekite Chou Yabai~

![Onii-chan, Erande yo! ~Kyuu ni Kawaii Mitsugo no Imouto ga Yattekite Chou Yabai~](https://t.vndb.org/cv/67/32067.jpg)

**Alternative Title:** おにいちゃん、えらんでよ！ ～急に可愛い三つ子の妹がやってきて超ヤバい～

**Developer:** Appetite

**Release date:** Apr 14, 2017

**Platform:** Windows, Android

**Language:** Japanese

**Rating:** 6.9/10 (16 votes)

## Description
I, Sekijima Kaoru, live under the same roof with three beautiful triplets.
My father's new wife has three daughters, all triplets.

Everyone is jealous of me for living with triplets... But it comes with its own challenges.
Right now...I've been confessed to by the three of them "at the same time."

The eldest sister, Mika, the second sister, Miki, and the third sister, Miku.

I love all three of them, but choosing just one of them...
"If we love Kaoru, and Kaoru loves all three of us, then we're already lovers."

"In that case, the only thing left to consider is physical compatibility, right?"
Huh? W-What do you mean?

"So you want Kaoru to appraise us. Our bodies..."

The three sisters slowly approached me, surrounding me.

"Don't worry."

"I'll take responsibility."
"Kaoru, you just need to concentrate on us."
The identical triplets each put their hands on their clothes as if to show me off.

[From [Getchu](https://www.getchu.com/soft.phtml?id=947656)]

## Characters
### Sekijima Mika (関島 美香)
The oldest of the triplets. While she is an honor student with a strong sense of responsibility and is also one of the best members of the track and field club, she has the worst cooking skills out of the three. She has a complex about her small breasts.

- **Gender:** Female
- **Measurements:** Bust-Waist-Hips: 80-55-82cm
- **Hair:** Brown, Twin Tails, Waist Length+, Sidehair
- **Body:** Teen, Slim, Olive
- **Clothes:** School Uniform, Wristband, Sports Uniform, Ribbon Hair Tie
- **Personality:** Proactive, Modern Tsundere, Tomboy, Envious
- **Role:** Daughter, Step Sister, High School Student, Popular, Older Sister, Honor Student, School Athletic Club Member, Triplet+ Sister
- **Engages in:** Athletics
- **Eyes:** Teal
- **Voiced by:** Nagi

### Sekijima Miki (関島 美希)
The middle triplet who is quite motherly. Her cooking skills are outstanding and she always makes meals for the protagonist when their parents are away. Because she has an "average" body, she doesn't have any kind of complex about it unlike [url=/c60964]Mika[/url].

- **Gender:** Female
- **Measurements:** Bust-Waist-Hips: 84-55-83cm
- **Hair:** Brown, Long, Straight, Blunt Bangs, Sidehair
- **Body:** Teen, Slim, Olive
- **Clothes:** School Uniform, Pantyhose, Rubber Band With Beads
- **Engages in:** Cooking, Cleaning
- **Personality:** Outgoing, Kind, Smart
- **Role:** Daughter, Step Sister, High School Student, Middle Sister, Triplet+ Sister
- **Eyes:** Teal
- **Voiced by:** Amamori Riko

### Sekijima Miku (関島 美久)
The youngest triplet who is quite innocent. She doesn't particularly care about doing the household chores but knows how to cook. Despite her innocent nature, she is pretty touchy when it comes to the protagonist. She also has the biggest breasts out of the three.

- **Gender:** Female
- **Measurements:** Bust-Waist-Hips: 86-55-83cm
- **Hair:** Waist Length+, Curtained, Braid, Spiky Bangs, Parted in Middle
- **Body:** Teen, Slim, Olive, Big Breast Sizes
- **Clothes:** Thigh-high Stockings, Tank Top, Ribbon Hair Tie
- **Personality:** Pervert, Outgoing, Relaxed
- **Role:** Daughter, Step Sister, High School Student, Triplet+ Sister
- **Eyes:** Teal
- **Voiced by:** Minami Saya

## Shops
- [Official Website](http://www.appetite-game.com/apt_087.html)
- [DLsite](https://www.dlsite.com/appx/work/=/product_id/VJ010930.html)
- [Getchu](http://www.getchu.com/soft.phtml?id=947656)

## Releases
### Japanese
- **2017-03-29**: Onii-chan, Erande yo! ~Kyuu ni Kawaii Mitsugo no Imouto ga Yattekite Chou Yabai~ Trial Edition - [Official website](http://www.appetite-game.com/apt_087.html#download)
- **2017-04-14**: Onii-chan, Erande yo! ~Kyuu ni Kawaii Mitsugo no Imouto ga Yattekite Chou Yabai~ Download Edition - [Official website](http://www.appetite-game.com/apt_087.html), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=24961), [DLsite](https://www.dlsite.com/pro/work/=/product_id/VJ010921.html), [Melonbooks.co.jp](https://www.melonbooks.co.jp/detail/detail.php?product_id=946522), [DL.Getchu](http://dl.getchu.com/i/item48196), [DMM](https://www.dmm.co.jp/dc/doujin/-/detail/=/cid=d_109458/appetite-001)
- **2017-04-14**: Onii-chan, Erande yo! ~Kyuu ni Kawaii Mitsugo no Imouto ga Yattekite Chou Yabai~ Android Edition - [Official website](https://www.appetite-game.com/apt_087.html), [DLsite](https://www.dlsite.com/appx/work/=/product_id/VJ010930.html)
- **2017-04-28**: Onii-chan, Erande yo! ~Kyuu ni Kawaii Mitsugo no Imouto ga Yattekite Chou Yabai~ Package Edition - [Official website](http://www.appetite-game.com/apt_087.html), [Getchu](http://www.getchu.com/soft.phtml?id=947656)

## Tags
High School, Non-blood-related Brother/Sister Incest, Male Protagonist, Modern Tsundere Heroine, Nukige, Protagonist's Non-blood-related Sister as a Heroine, Group Sex of One Male and Several Females, Under the Same Roof, Tomboy Heroine, Dark Skinned Heroine, Tsundere Heroine, Defloration, Sex in Public Places, Only Virgin Heroines, Twin Tail Heroine, Dark Skinned Protagonist, Naked Heroine with Apron, High School Student Protagonist, Cunnilingus, Doggy Style, Heroine with a Fang, Outdoor Sex, Athlete Heroine, Threesome Ending, Cowgirl, Only Protagonist's Sisters as Heroine(s), Sitting Sex, Ahegao, Bathroom Sex, Soapy Massage, Background Moans, Sex at School, Perverted Heroine, Kneepit Sex, Triplet+ Heroines, High School Student Heroine, Single Boobjob, Quickie Fix Position, Missionary Position, Heroine with Big Breasts, Single Blowjob, Triple Blowjob, Standing Sex

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---
*View the full details at [pinovel.net/v20875](https://pinovel.net/v20875).*

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```