---
title: "♥ri no Natsuyasumi ~Oji-san Kansatsu Nikki~"
description: "It's summer vacation for twin lolita-esque rural country girls!  Sadistic free spirit Ruka-chan, taciturn shy girl Hina-chan, and dirty uncle-like \"Oji-san\" hav"
image: "https://t.vndb.org/cv/65/13665.jpg"
---

# ♥ri no Natsuyasumi ~Oji-san Kansatsu Nikki~

![♥ri no Natsuyasumi ~Oji-san Kansatsu Nikki~](https://t.vndb.org/cv/65/13665.jpg)

**Alternative Title:** ♥りの夏休み～おじさんかんさつにっき～

**Aliases:** ♥ly no Natsuyasumi ~Oji-san Kansatsu Nikki~, ♥li no Natsuyasumi ~Oji-san Kansatsu Nikki~, Lovely no Natsuyasumi ~Oji-san Kansatsu Nikki~, Loli no Natsuyasumi ~Oji-san Kansatsu Nikki~, Loli no Natsu Yasumi -Oji-san's Diary of Summer Loli-, L*li no Natsu Yasumi -Ojisan's Diary of Summer Loli-, Rori no Natsuyasumi ~Oji-san Kansatsu Nikki~, Raburi no Natsuyasumi ~Oji-san Kansatsu Nikki~, らぶりの夏休み～おじさんかんさつにっき～, ろりの夏休み～おじさんかんさつにっき～, ♥（らぶ）りの夏休み～おじさんかんさつにっき～

**Developer:** Parthenon

**Release date:** Apr 27, 2012

**Platform:** Windows, Android, DVD

**Language:** Japanese, English

**Rating:** 6.3/10 (62 votes)

## Description
It's summer vacation for twin lolita-esque rural country girls!

Sadistic free spirit Ruka-chan, taciturn shy girl Hina-chan, and dirty uncle-like "Oji-san" have a hot wet summer of experimental c*ck and perversity!?

It's all deliciously detailed in Oji-san's Diary of Summer Loli.

[from [Dlsite English](http://www.dlsite.com/ecchi-eng/work/=/product_id/RE093698.html)]

## Characters
### Hitoshi (人史)
He is 30 years old, a short fat virgin. He is cousins with the twins parents, making him their uncle. He is taking care of them.

He doesn't view himself as an otaku, but he is a lolicon, so he's looking forward to meeting the twins.

Every morning he works on the farm but can't 

Every morning he does farm work, he can't stand it. He's afraid of communicating with others face to face in the countryside. He's only capable of saying hello.

[From [url=http://www.soft-parthenon.com/product/ha-to/character3.html]official site[/url]]

- **Gender:** Male
- **Body:** Overweight
- **Personality:** Otaku, Pervert, Reserved, Shy
- **Role:** Uncle

### Mizuno Hina (水野 陽菜)
Born in August. She is more mature than her older sister. She is shy and struggles to say what she wants, but once she's comfortable, she can't stop talking. She has no interest in fashion at all.

Sometimes she tries on Ruka's summer clothes, but she can't wear them because her breasts are much larger. Her sister is jealous of her big breasts. She is good with her hands and likes cute things.

She enjoys reading books, reading a book together with Ruka makes her happy. Unlike her older sister, she does not like to make friends. She does not like going outside as well.

Her favorite foods are milk and spinach. Her favorite colors are blue and white. Her future dream is to become a bookseller or an administrative scrivener. She loves being surrounded by books.

She is not wearing a bra because Ryuka doesn't wear one. Her favorite pants are animal prints. She especially likes bear pants. When it comes to sex, she is a little bold.

[From [url=http://www.soft-parthenon.com/product/ha-to/character2.html]official site[/url]]

- **Gender:** Female
- **Hair:** Black, Waist Length+, Straight, V Bangs
- **Body:** Slim, Kid, Tanline, Visible Nipples, Big Breasts
- **Eyes:** Blue, Tareme
- **Clothes:** Pajamas, Sandals, Hairpin, Yukata, Clothing with Ribbons, School Swimsuit, Sundress
- **Personality:** Reserved, Shy, Kind, Smart, Bookworm
- **Role:** Twin Sister, Niece, Younger Sister
- **Engages in:** Reading
- **Voiced by:** Kirishima Haruna

### Mizuno Ruka (水野 琉夏)
Born in August. She is an active girl, has many friends of both genders, and is fashion-conscious. Her hobby is playing queen, and she loves it when boys do her bidding. Her dream is to become a bitchy gal. She's always wanted to play with a man's balls.

Her favorite food is hamburgers, and she hates milk. She is still a child at heart. Her favorite colors are red and gold “because the more flashy the better!"

Her breasts are getting a little bigger, but they are still small compared to her sister's. She enjoys squeezing her sister's boobs. "I bet they got bigger thanks to me!" she says proudly as she rubs Hina's tits.

She wants to wear a naughty bra, but her breasts are too small to fit in a bra. She wants to wear gal-like underwear. When she starts to feel the sensation during sex, she makes a very sweet and cute voice.

[From [url=http://www.soft-parthenon.com/product/ha-to/character.html]official site[/url]]

- **Gender:** Female
- **Hair:** Brown, Twin Tails, Long, V Bangs
- **Body:** Slim, Kid, Tanline, Small Breasts
- **Eyes:** Blue
- **Clothes:** Miniskirt, Belt, Tank Top, Hair Flower, Bracelet, Hair Tie, Over The Knee Socks, Micro Bikini
- **Personality:** Pervert, Outgoing, Stylish, Promiscuous
- **Role:** Twin Sister, Niece, Older Sister, Sexual Dominant
- **Engages in:** Teasing, Flirting
- **Voiced by:** Kanematsu Yuka

## Shops
- [Official Website](http://www.soft-parthenon.com/product/ha-to/index.html)
- [DLsite](https://www.dlsite.com/maniax/work/=/product_id/RJ093698.html)
- [Getchu](http://www.getchu.com/soft.phtml?id=737288)

## Releases
### Japanese
- **2012-04-13**: ♥ri no Natsuyasumi ~Oji-san Kansatsu Nikki~ Trial Edition - [Official website](https://web.archive.org/web/20190913025037/http://www.soft-parthenon.com/product/ha-to/download.html)
- **2012-04-27**: ♥ri no Natsuyasumi ~Oji-san Kansatsu Nikki~ Package Edition - [Official website](http://www.soft-parthenon.com/product/ha-to/index.html), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=16927), [Getchu](http://www.getchu.com/soft.phtml?id=737288)
- **2012-05-05**: ♥ri no Natsuyasumi ~Oji-san Kansatsu Nikki~ Download Edition - [Official website](http://www.soft-parthenon.com/product/ha-to/index.html), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=16927), [DLsite](https://www.dlsite.com/maniax/work/=/product_id/RJ093698.html), [Gyutto](https://gyutto.com/i/item81472), [Digiket](https://www.digiket.com/work/show/_data/ID=ITM0066444/), [DL.Getchu](http://dl.getchu.com/i/item17127), [DMM](https://dlsoft.dmm.co.jp/detail/alb_0002/)
- **2013-07-10**: Hentai Oji-san no Kansatsunikki ~Shoujo no Natsuyasumi~ DVDPG - [Official website](https://web.archive.org/web/20150630134614/http://www.getchu.com/soft.phtml?id=776438), [DMM](https://www.dmm.co.jp/mono/anime/-/detail/=/cid=50ktpg195/)
- **2014-01-17**: ♥ri no Natsuyasumi ~Oji-san Kansatsu Nikki~ - [Official website](https://hbox.jp/home/category/doujin/doujin/=/cid/53280)

### English
- **2026-06-27**: ♥Rori's Summer Vacation ～Uncle's Observation Diary～

## Tags
Sexual Content, ADV, Male Protagonist, Adult Protagonist, Multiple Endings, Loli Heroine, Nukige, Shy Heroine, Twin Sisters as Heroines, Group Sex of One Male and Several Females, Early Sexual Content, Heroine with Zettai Ryouiki, Bookworm Heroine, Unlockable Harem Ending, Perverted Protagonist, Female Domination, Defloration, Footjob, Only Virgin Heroines, Summer, Wake-up Sex, Twin Tail Heroine, Missionary Position, Promiscuous Heroine, Internal Exhibition of Sex, Blowjob, Twin Blowjob, Intercrural Sex, Bukkake, Cunnilingus, Doggy Style, Armpit Sex, Countryside, Ejaculation Choice, Hairjob, Heroine with a Fang, Outdoor Sex, Only Loli Heroines, Few Choices, Naked Sprites, Masochist Protagonist, Heroine with Tan Lines, Threesome Ending, Sex with Sleepers, Cowgirl, Shimaidon Ending, Uncle/Niece Incest, Sitting Sex, Bathroom Sex, Mutual Masturbation, Sex Involving Children, Oppai Loli Heroine, Twin Boobjob, Facesitting, Piss Drinking, Naizuri, Perverted Heroine, Ballbusting, Pissing on Others, Legwear Footjob, Single Footjob, Straight Lolicon, Anal Object Insertion, Mesugaki Heroine, Protagonist's Niece as a Heroine, Only Protagonist's Relatives as Heroine(s)

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---
*View the full details at [pinovel.net/v10100](https://pinovel.net/v10100).*

```json
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```