---
title: "Hitozuma Onee-san to Tsundere Osananajimi no Haranda Kankei"
description: "Kouki has two old friends, Yukiko and Rio. When he was a university student, Yukiko got married and left the town.... However, she is back to the town now. Kouk"
image: "https://t.vndb.org/cv/26/3526.jpg"
---

# Hitozuma Onee-san to Tsundere Osananajimi no Haranda Kankei

![Hitozuma Onee-san to Tsundere Osananajimi no Haranda Kankei](https://t.vndb.org/cv/26/3526.jpg)

**Alternative Title:** 人妻お姉さんとツンデレ幼なじみの孕んだ関係

**Developer:** Swanmania

**Release date:** Aug 29, 2008

**Platform:** Windows

**Language:** Japanese, English

**Rating:** 6.3/10 (11 votes)

## Description
Kouki has two old friends, Yukiko and Rio. When he was a university student, Yukiko got married and left the town.... However, she is back to the town now. Kouki still loves Yukiko and his pent-up sexual desire explodes. Rio, who loves Kouki, notices it and approaches him in various ways....

[From [ErogeShop](http://web.archive.org/web/20090108001413/http://www.erogeshop.com:80/product_info.php/products_id/1010684)]

## Characters
### Amano Kouki (天野 光輝)
- **Gender:** Male
- **Aliases:** Kou-chan, 光ちゃん
- **Hair:** Black, Short
- **Body:** Teen, Pale
- **Clothes:** T-shirt, Jeans
- **Role:** University Student

### Nishijima Rio (西島 理央)
- **Gender:** Female
- **Aliases:** Ricchan, りっちゃん
- **Hair:** Brown, Antenna, Long, Spiky Bangs, Parted in Middle
- **Body:** Teen, Pale
- **Clothes:** Miniskirt, Thigh-high Stockings, Hairpin, Blouse
- **Role:** Childhood Friend, University Student
- **Subject of:** Pregnancy
- **Eyes:** Teal
- **Engages in:** Lactation, Childbirth
- **Personality:** Emotional

### Takanashi Yukiko (小鳥遊 雪子)
- **Gender:** Female
- **Aliases:** Yuki-nee, ユキねぇ
- **Hair:** Violet, Long
- **Body:** Pale, Young-adult, Big Breast Sizes
- **Engages in:** Cooking, Lactation, Childbirth
- **Eyes:** Violet
- **Clothes:** Apron, Dress, Cardigan, Sundress
- **Role:** Childhood Friend
- **Subject of:** Pregnancy
- **Personality:** Kind

## Shops
- [Official Website](http://www.swaneye.com/swan-m/hitotun/)
- [DLsite](https://www.dlsite.com/pro/work/=/product_id/VJ002955.html)

## Releases
### Japanese
- **2008-08-29**: Hitozuma Onee-san to Tsundere Osananajimi no Haranda Kankei - Package Edition - [Official website](http://www.swaneye.com/swan-m/hitotun/), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=11312)
- **2008-08-29**: Hitozuma Onee-san to Tsundere Osananajimi no Haranda Kankei - Download Edition - [Official website](http://www.swaneye.com/swan-m/hitotun/), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=11312), [DLsite](https://www.dlsite.com/pro/work/=/product_id/VJ002955.html), [Gyutto](https://gyutto.com/i/item12389), [Digiket](https://www.digiket.com/work/show/_data/ID=ITM0023764/), [DL.Getchu](http://dl.getchu.com/i/item1001190), [DMM](https://dlsoft.dmm.co.jp/detail/hobc_0132/)

### English
- **2024**: Hitozuma Onee-san to Tsundere Osananajimi no Haranda Kankei - [Official website](https://sugoivisualnovel.up.railway.app/vns/2912)

## Tags
ADV, Lesbian Sex, Oneesan-type Heroine, Male Protagonist, Multiple Endings, Protagonist's Childhood Friend as a Heroine, Nukige, Group Sex of One Male and Several Females, Pregnancy, Pregnant Sex, Floating Textbox, Harem Ending, Adult Heroine, Married Heroine, Big Breast Sizes Heroine, Unlockable Harem Ending, Vibrators, Boobjob, Missionary Position, Sixty-nine, Blowjob, Lactation During Sex, University Student Protagonist, Cunnilingus, Doggy Style, University Student Heroine, Infidelity, Outdoor Sex, Few Choices, Naked Sprites, Fingering, Threesome Ending, Cowgirl, Pregnancy Ending, Sitting Sex, Bathroom Sex, Quickie Fix Position, Sex with Protagonist Only

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---
*View the full details at [pinovel.net/v2912](https://pinovel.net/v2912).*

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```