---
title: "Osekkai na Imouto"
description: "We are childhood friends. But she is the most popular and prettiest girl in the school, while I am only a seclusive person who have failed to get accepted at a "
image: "https://t.vndb.org/cv/96/26896.jpg"
---

# Osekkai na Imouto

![Osekkai na Imouto](https://t.vndb.org/cv/96/26896.jpg)

**Alternative Title:** おせっかいないもうと

**Aliases:** My meddlesome sister

**Developer:** Hanbaidairiten

**Release date:** Dec 2, 2005

**Platform:** Windows

**Language:** Japanese

## Description
We are childhood friends. But she is the most popular and prettiest girl in the school, while I am only a seclusive person who have failed to get accepted at a university of my choice and is seeking another chance. I always feel miserable before her, but she is an amazing person never leave me alone. Today, I have cosplay sex with her....

[From [DLsite English](http://www.dlsite.com/ecchi-eng/work/=/product_id/RE019287.html)]

## Shops
- [Official Website](http://distributor.x.fc2.com/product/ose_imo.html)
- [DLsite](https://www.dlsite.com/maniax/work/=/product_id/RJ032575.html)

## Releases
### Japanese
- **2005-12-02**: Osekkai na Imouto - [Official website](http://distributor.x.fc2.com/product/ose_imo.html), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=9760), [DLsite](https://www.dlsite.com/maniax/work/=/product_id/RJ032575.html), [DMM](https://www.dmm.co.jp/dc/doujin/-/detail/=/cid=d_009372/)
- **2007-07-03**: Osekkai na Imouto 1+2 - [DLsite](https://www.dlsite.com/maniax/work/=/product_id/RJ032575.html), [DMM](https://www.dmm.co.jp/dc/doujin/-/detail/=/cid=d_014249/)

## Tags
ADV, Protagonist's Childhood Friend as a Heroine, Nukige, Cosplay, Student Hero

## More Games from Hanbaidairiten
- [Osekkai na Imouto](https://pinovel.net/v18632)
- [Osekkai na Imouto 2](https://pinovel.net/v18633)
- [Onee-san o Chikan](https://pinovel.net/v29151)
- [Toshishita Showtime Shinseki no Kyonyuu Onee-chan ni Ecchi na Itazura ♪](https://pinovel.net/v18629)
- [Toshishita Showtime 2 Shinseki no Kyonyuu Onee-chan ni Motto Ecchi na Itazura ♪](https://pinovel.net/v18631)
- [SakiMaki! Shiro Ecchi na White Version Bijin Shimai Kyoushi no Taiatari Jissen Kyouiku Hen](https://pinovel.net/v27325)
- [Eroi Fantasy Dai 2 Shou Sennetsu Otome 1 -Sennetsu Otome-](https://pinovel.net/v53378)

---
*View the full details at [pinovel.net/v18632](https://pinovel.net/v18632).*

```json
{"@context":"https://schema.org","@type":"VideoGame","@id":"https://pinovel.net/v18632#game","name":"Osekkai na Imouto","description":"We are childhood friends. But she is the most popular and prettiest girl in the school, while I am only a seclusive person who have failed to get accepted at a ","url":"https://pinovel.net/v18632","image":"https://t.vndb.org/cv/96/26896.jpg","author":{"@type":"Organization","name":"Hanbaidairiten"}}
```