---
title: "Onee-chan to Issho. ~Yuina no Ama Ama Zen Koutei~"
description: "The stress of the daily grind leaves you simply exhausted when you return home. However, one day, when you come back from work... \"Welcome home!\"  That kind voi"
image: "https://t.vndb.org/cv/90/104190.jpg"
---

# Onee-chan to Issho. ~Yuina no Ama Ama Zen Koutei~

![Onee-chan to Issho. ~Yuina no Ama Ama Zen Koutei~](https://t.vndb.org/cv/90/104190.jpg)

**Alternative Title:** お姉ちゃんといっしょ。～唯奈のあまあま全肯定～

**Developer:** Bousaba G

**Release date:** Oct 25, 2020

**Platform:** Windows

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

**Rating:** 6.0/10 (34 votes)

## Description
The stress of the daily grind leaves you simply exhausted when you return home.
However, one day, when you come back from work...
"Welcome home!"

That kind voice. It's your sister Yuina, who's come to check up on you.
She kindly hugs you, and decides to do all the household cooking and chores for you
until you recover back to full health!

So starts your daily life with this caring girl!​

[From [English DLsite](https://www.dlsite.com/maniax/work/=/product_id/RJ278273.html/?locale=en_US)]

## Characters
### Yuina (唯奈)
The loving cousin of the protagonist, who is like a sister to him.

- **Gender:** Female
- **Hair:** Brown, Long
- **Body:** Pale, Huge Breasts
- **Engages in:** Cooking
- **Clothes:** Pajamas, Skirt, Ribbon Hair Accessory
- **Role:** Cousin, Domestic Partner, Girlfriend
- **Personality:** Kind
- **Eyes:** Garnet
- **Voiced by:** Sawano Poplar

## Shops
- [Steam](https://store.steampowered.com/app/2846220/)
- [DLsite](https://www.dlsite.com/maniax/work/=/product_id/RJ01192080.html)

## Releases
### Japanese
- **2020-06-30**: Onee-chan to Issho. ~Yuina no Ama Ama Zen Koutei~ Trial Edition - [DLsite](https://www.dlsite.com/maniax/work/=/product_id/RJ278273.html)
- **2020-10-25**: Onee-chan to Issho. ~Yuina no Ama Ama Zen Koutei~ - [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=30167), [DLsite](https://www.dlsite.com/maniax/work/=/product_id/RJ278273.html), [DMM](https://www.dmm.co.jp/dc/doujin/-/detail/=/cid=d_172975/)
- **2022-03-09**: Onee-chan to Issho. [Plus Situation]~Yuina no 'Motto'  Ama Ama Zen Koutei~ - [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=35886), [DLsite](https://www.dlsite.com/maniax/work/=/product_id/RJ362540.html)
- **2025-02-21**: Onee-chan to Issho. ~Yuina no Ama Ama Zen Koutei~ - [Steam](https://store.steampowered.com/app/2846220/), [SteamDB](https://steamdb.info/app/2846220/info/)

### English
- **2022-06-30**: With an Older Girl ~Yuina's Sweet Encouragement~ - [DLsite](https://www.dlsite.com/maniax/work/=/product_id/RJ396125.html)
- **2022-06-30**: With an Older Girl ~Yuina's Sweet Encouragement~ Demo - [DLsite](https://www.dlsite.com/maniax/work/=/product_id/RJ396125.html)
- **2024-05-10**: With An Older Girl ~More of Yuina's Sweet Encouragement~ - [DLsite](https://www.dlsite.com/maniax/work/=/product_id/RJ01192072.html)
- **2025-02-21**: Onee-chan to Issho. ~Yuina no Ama Ama Zen Koutei~ - [Steam](https://store.steampowered.com/app/2846220/), [SteamDB](https://steamdb.info/app/2846220/info/)

### Chinese (simplified)
- **2022-06-30**: He Jiejie Yiqi. ~Yuina De Tianmi Quan Kending~ - [DLsite](https://www.dlsite.com/maniax/work/=/product_id/RJ400098.html)
- **2022-06-30**: He Jiejie Yiqi. ~Yuina De Tianmi Quan Kending~ Trial Edition - [DLsite](https://www.dlsite.com/maniax/work/=/product_id/RJ400098.html)
- **2024-05-10**: He Jiejie Yiqi. [Additional Scene]~Yuina De  'Geng jia' Tianmi Quan Kending~ - [DLsite](https://www.dlsite.com/maniax/work/=/product_id/RJ01192080.html)
- **2025-02-21**: Onee-chan to Issho. ~Yuina no Ama Ama Zen Koutei~ - [Steam](https://store.steampowered.com/app/2846220/), [SteamDB](https://steamdb.info/app/2846220/info/)

### Chinese (traditional)
- **2025-02-21**: Onee-chan to Issho. ~Yuina no Ama Ama Zen Koutei~ - [Steam](https://store.steampowered.com/app/2846220/), [SteamDB](https://steamdb.info/app/2846220/info/)

## Tags
ADV, Raising Simulation, Adult Protagonist, Nukige, Modern Day Japan, Only a Single Heroine, Cousin Incest, Cousin Romance, Protagonist's Cousin as a Heroine, Under the Same Roof, Defloration, Only Virgin Heroines, Date Display, Only Adult Heroines, Gauge Display, Single Boobjob, Single Handjob, Vaginal Fingering, Heroine with Huge Breasts, Point-and-Click Adventure Game, Male Protagonist, Only Protagonist's Relatives as Heroine(s)

## More Games from Bousaba G
- [Onee-chan to Issho. ~Yuina no Ama Ama Zen Koutei~](https://pinovel.net/v45680)
- [Maou-sama to Issho. ~Isekai no Maou to Amaama Dousei Seikatsu~](https://pinovel.net/v52135)
- [Iede Shoujo to Issho. ~ Downer Gamer JK to Icha-Love Dousei Seikatsu ~](https://pinovel.net/v58670)

---
*View the full details at [pinovel.net/v45680](https://pinovel.net/v45680).*

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