---
title: "Rina no Chiisana Oka"
description: "Rina lives with her mother and brother. Her mother's remarriage triggers her to run away to her brother-in-law Kyosuke's apartment, whom she had a secret crush "
image: "https://t.vndb.org/cv/07/135507.jpg"
---

# Rina no Chiisana Oka

![Rina no Chiisana Oka](https://t.vndb.org/cv/07/135507.jpg)

**Alternative Title:** 里奈の小さな丘

**Developer:** Kaerinokai2

**Release date:** Jul 14, 2017

**Platform:** Windows

**Language:** English, Japanese, Russian

**Rating:** 6.0/10 (74 votes)

## Description
Rina lives with her mother and brother.
Her mother's remarriage triggers her to run away to her brother-in-law Kyosuke's apartment, whom she had a secret crush on when she was little.
When Kyosuke asks her to have sexual relations with him, Rina is at a loss, but then she discovers a secret about her friend Mai.
The two have not yet grown up physically as they have mentally.
The summer vacation is approaching, and they are still keeping secrets from each other.

## Characters
### Kyousuke (恭介)
- **Gender:** Male
- **Hair:** Brown, Spiky Bangs
- **Body:** Teen
- **Eyes:** Hidden
- **Clothes:** T-shirt, Shorts

### Yamaguchi Rina (山口 里奈)
- **Gender:** Female
- **Hair:** Twin Tails, Parted in Middle, Orange, Sidehair
- **Body:** Pale, Kid
- **Eyes:** Amber, Tareme
- **Clothes:** Shirt, Miniskirt, Hairpin
- **Role:** Daughter, Step Sister, Friend, Classmate, Elementary School Student, Younger Sister, Title Character
- **Voiced by:** Satsuki Mei

### Furukawa Megumi (古川 めぐみ)
Mai's friend

- **Gender:** Female
- **Alias:** Megu メグ
- **Hair:** Blue, Twin Braids, Sidehair
- **Eyes:** Brown, Tareme
- **Body:** Pale, Kid
- **Role:** Friend, Classmate, Elementary School Student
- **Clothes:** Blouse, Sundress
- **Engages in:** Not Sexually Involved

### Matsumoto Mai (松本 麻衣)
- **Gender:** Female
- **Alias:** MaiMai マイマイ
- **Hair:** Brown, Twin Tails, Long, Parted to Side
- **Eyes:** Brown, Tareme
- **Body:** Pale, Kid
- **Clothes:** Miniskirt, Tank Top, Hairpin, Panties, Ribbon Hair Tie, Over The Knee Socks
- **Role:** Daughter, Friend, Classmate, Non-blood-related Daughter, Elementary School Student, Title Character

### Matsumoto Hirokazu (松本 宏和)
- **Gender:** Male
- **Body:** Adult
- **Role:** Divorcee, Father, Son, Non-blood-related Father

## Shops
- [Official Website](http://www.usamimi.info/~wakabakaoru/wp201403/?page_id=503)
- [DLsite](https://www.dlsite.com/maniax/work/=/product_id/RJ202819.html)
- [Getchu](http://www.getchu.com/soft.phtml?id=970295)

## Releases
### Japanese
- **2017-07-14**: Rina no Chiisana Oka - Download Edition - [Official website](http://www.usamimi.info/~wakabakaoru/wp201403/?page_id=503), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=25528), [DLsite](https://www.dlsite.com/maniax/work/=/product_id/RJ202819.html), [DMM](https://www.dmm.co.jp/dc/doujin/-/detail/=/cid=d_113277/)
- **2017-08-25**: Rina no Chiisana Oka - Package Edition - [Official website](https://www.usamimi.info/~wakabakaoru/wp201403/?page_id=642), [Getchu](http://www.getchu.com/soft.phtml?id=970295)

### English
- **2019-07-02**: Rina's little hill - [Official website](https://ulmf.org/threads/rj202819-rinas-little-hill-no-sana.13189/)

### Russian
- **2024-03-27**: Kaerinokai2 complete - [Official website](https://pornolab.net/forum/viewtopic.php?t=3071889)

## Tags
ADV, Non-blood-related Brother/Sister Incest, Male Protagonist, Loli Heroine, Lolicon, One True End, Nukige, Only a Single Heroine, Floating Textbox, Defloration, Only Virgin Heroines, Elementary School Student Heroine, Interactive Touching Game, Only Loli Heroines, Only Protagonist's Sisters as Heroine(s), Sex Involving Children, Loli Support Character, Only Younger Heroines, Lolicon Protagonist, No "Keep Voice on Click" Option, Straight Lolicon, Sex with Protagonist Only

## More Games from Kaerinokai2
- [Naisho no Natsuyasumi](https://pinovel.net/v27516)
- [relation](https://pinovel.net/v16426)
- [Yuka](https://pinovel.net/v16427)
- [Doripure!](https://pinovel.net/v16428)
- [Miu](https://pinovel.net/v16429)
- [sousyun](https://pinovel.net/v16430)
- [Ambivalence](https://pinovel.net/v35939)
- [Koyori ~SEVENDAYS~](https://pinovel.net/v16431)
- [Mai no Tsubomi](https://pinovel.net/v16432)
- [Rina no Chiisana Oka](https://pinovel.net/v21727)
- [Mayuri no Himitsu](https://pinovel.net/v31698)
- [Akane no Chiisana Hanabira](https://pinovel.net/v32995)
- [Nakayoshi Rezu](https://pinovel.net/v32998)
- [Kekkon Shitai Otoshigoro](https://pinovel.net/v31699)
- [Akari-chan no Otona no Obenkyou!](https://pinovel.net/v35930)
- [Tsubomi no Hokorobi](https://pinovel.net/v49422)

---
*View the full details at [pinovel.net/v21727](https://pinovel.net/v21727).*

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```