---
title: "Natsu Doki! Harem ~Shinsekitaku de no Nayameru Juken Benkyou~"
description: "Yuto failed a university entrance exam. He needs to study hard, but he is still down.... One day, his mother tells him to stay at Shizuru's house and study hard"
image: "https://t.vndb.org/cv/43/32043.jpg"
---

# Natsu Doki! Harem ~Shinsekitaku de no Nayameru Juken Benkyou~

![Natsu Doki! Harem ~Shinsekitaku de no Nayameru Juken Benkyou~](https://t.vndb.org/cv/43/32043.jpg)

**Alternative Title:** なつドキ！ハーレム～親せき宅での悩める受験勉強～

**Developer:** TinkerBell

**Release date:** Jul 24, 2009

**Platform:** Windows, DVD

**Language:** Japanese

**Rating:** 7.1/10 (64 votes)

## Description
Yuto failed a university entrance exam. He needs to study hard, but he is still down.... One day, his mother tells him to stay at Shizuru's house and study hard. Shizuru is his aunt and ex-teacher. When he arrives at her house, Shizuru and her daughters welcome him. He is surprised to see his beautifully grown up cousins. He soon decides to study hard there, but there are a lot of erotic temptations surrounded by beautiful girls....

[From ErogeShop]

## Characters
### Terauchi Yuuto (寺内 優斗)
- **Gender:** Male
- **Aliases:** Yuu-niichan, 優兄ちゃん, Yuu-nii, 優兄, Yuu-chan, 優ちゃん
- **Hair:** Brown, Short
- **Body:** Teen, Pale
- **Clothes:** Shirt, Jeans, Belt
- **Role:** Nephew, Cousin, Childhood Friend, University Student

### Kirino Ayaka (桐野 綾華)
- **Gender:** Female
- **Measurements:** Height: 168cm, Bust-Waist-Hips: 95-61-93cm
- **Hair:** Brown, Long, Curtained, Parted to Side, Pubic Hair
- **Body:** Pale, Young-adult, Nail Polish, Makeup, Big Breasts
- **Eyes:** Violet
- **Role:** Daughter, Cousin, Not a Virgin, Office Lady, Older Sister
- **Engages in:** Teasing, Lactation
- **Subject of:** Pregnancy, Flirting
- **Clothes:** Tank Top, Blouse, Skirt Suit, Baby-doll, Pleated Skirt, Lace Lingerie, Lace Garter Belt Stockings, High Heeled Shoes
- **Personality:** Mischievous
- **Voiced by:** Kawashima Rino

### Kirino Manami (桐野 愛海)
- **Gender:** Female
- **Aliases:** Mana-chan, 愛ちゃん
- **Measurements:** Height: 156cm, Bust-Waist-Hips: 85-58-86cm
- **Hair:** Pink, Shoulder-length, Intake, Parted to Side
- **Body:** Teen, Pale, Medium Breasts
- **Clothes:** School Uniform, Pajamas, Headband, Vest, Miniskirt, Thigh-high Stockings, Corset, Blouse, New Type School Swimsuit, String Ribbon Tie, Lace Lingerie
- **Eyes:** Violet
- **Personality:** Deredere, Immature
- **Role:** Daughter, Twin Sister, Cousin, High School Student, Younger Sister, School Drama Club Member
- **Subject of:** Pregnancy
- **Engages in:** Lactation
- **Voiced by:** Sumishiro Kiyoka

### Kirino Nanami (桐野 七海)
- **Gender:** Female
- **Aliases:** Nana-chan, 七ちゃん
- **Measurements:** Height: 156cm, Bust-Waist-Hips: 79-56-83cm
- **Hair:** Pink, Ahoge, Short
- **Body:** Teen, Pale, Small Breasts
- **Clothes:** School Uniform, Pajamas, T-shirt, Miniskirt, Tank Top, Ribbon Tie, New Type School Swimsuit, String Ribbon Tie, Sleeveless Sweater
- **Eyes:** Violet
- **Personality:** Tsundere, Shy, Stubborn
- **Role:** Daughter, Twin Sister, Cousin, High School Student, Younger Sister, School Athletic Club Member
- **Subject of:** Pregnancy
- **Engages in:** Lactation
- **Voiced by:** Matsunaga Yuki

### Kirino Shizuru (桐野 静流)
- **Gender:** Female
- **Measurements:** Height: 168cm, Bust-Waist-Hips: 99-63-94cm
- **Hair:** Violet, Long, Pubic Hair
- **Body:** Pale, Adult, Nail Polish, Makeup, Big Breasts
- **Clothes:** Apron, Shirt, Skirt, Pantyhose, Towel, Baby-doll, Transparent, Wedding Ring, Nightgown, Sailor School Uniform, Lace Lingerie, Lace Band Thigh-high Stockings
- **Role:** Widow, Mother, Aunt, Not a Virgin
- **Personality:** Relaxed, Kind
- **Subject of:** Pregnancy
- **Engages in:** Infidelity, Lactation
- **Eyes:** Garnet
- **Voiced by:** Nonomura Saya

### Shiraishi Chitose (白石 千歳)
- **Gender:** Female
- **Aliases:** Chii-chan, ちーちゃん
- **Measurements:** Height: 163cm, Bust-Waist-Hips: 86-60-89cm
- **Hair:** Brown, Long, Straight, Pubic Hair, Tiny Braid
- **Eyes:** Brown
- **Body:** Teen, Pale, Big Breasts
- **Clothes:** Jacket, Miniskirt, Tank Top, Waitstaff Uniform
- **Personality:** Deredere, Kind, Serious
- **Role:** Niece, Cousin, Childhood Friend, University Student
- **Subject of:** Pregnancy, Teasing
- **Engages in:** Lactation
- **Voiced by:** Misumi Nanaho

## Shops
- [Official Website](http://www.cyberworks.jp/tink/tuyamitu/)
- [DLsite](https://www.dlsite.com/pro/work/=/product_id/VJ009240.html)
- [Getchu](http://www.getchu.com/soft.phtml?id=836135)

## Releases
### Japanese
- **2009-07-24**: Natsu Doki! Harem ~Shinsekitaku de no Nayameru Juken Benkyou~ - [Official website](http://www.cyberworks.jp/tink/natudoki/), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=12624), [Getchu](http://www.getchu.com/soft.phtml?id=645985), [DMM](https://www.dmm.co.jp/mono/pcgame/-/detail/=/cid=1001tb039/)
- **2010-06-18**: Natsu Doki! Harem ~Shinsekitaku de no Nayameru Juken Benkyou~ DVDPG - [Official website](https://web.archive.org/web/20190908203430/http://ms-pictures.com/label/mints/products/detail.php?id=310), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=12624), [Getchu](http://www.getchu.com/soft.phtml?id=682352), [DMM](https://www.dmm.co.jp/mono/anime/-/detail/=/cid=22dgmt8722/)
- **2011-10-07**: Natsu Doki! Harem ~Shinsekitaku de no Nayameru Juken Benkyou~ Download Edition - [Official website](http://www.cyberworks.jp/tink/natudoki/), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=12624), [DLsite](https://www.dlsite.com/pro/work/=/product_id/VJ006617.html), [Gyutto](https://gyutto.com/i/item17287), [DL.Getchu](http://dl.getchu.com/i/item1003855), [DMM](https://dlsoft.dmm.co.jp/detail/cyber_0032)
- **2014-12-26**: Tsuya Mitsu Otome ~Toshiue Iroke Toshishita Hatsu Mono! Subete Tanoshimeru Full Course Na 5hon~ - [Official website](http://www.cyberworks.jp/tink/tuyamitu/), [Getchu](http://www.getchu.com/soft.phtml?id=836135)
- **2015-05-08**: Tsuya Mitsu Otome ~Toshiue Iroke Toshishita Hatsu Mono! Subete Tanoshimeru Full Course Na 5hon~ Download Edition - [Official website](http://www.cyberworks.jp/tink/tuyamitu/), [DLsite](https://www.dlsite.com/pro/work/=/product_id/VJ009240.html), [DMM](https://dlsoft.dmm.co.jp/detail/cyber_0066pack/)

## Tags
Sexual Content, ADV, Lesbian Sex, Sister/Sister Incest, Blood-related Sister/Sister Incest, Male Protagonist, Adult Protagonist, Multiple Endings, Teacher Heroine, Classic Tsundere Heroine, Deredere Heroine, Protagonist's Childhood Friend as a Heroine, Family, Shy Heroine, High Sexual Content, Twin Sisters as Heroines, Group Sex of One Male and Several Females, Student Heroine, Pregnant Sex, Cousin Incest, Protagonist's Cousin as a Heroine, Under the Same Roof, Harem Ending, Heroine with Sexual Experience, Adult Heroine, Widow Heroine, Branching Plot, Female Domination, Vibrators, Dildos, Defloration, Sex in Public Places, Waitress Heroine, Heroine with Tights, Missionary Position, Sixty-nine, Blood-related Mother/Daughter Incest, Twin Blowjob, Long Sexual Scenes, Lactation During Sex, Inbreeding, Heroine with Ahoge, Intercrural Sex, Protagonist's Aunt as a Heroine, University Student Protagonist, Cunnilingus, Object Insertion, More Than Seven Endings, Romancing a Family, Doggy Style, Female Ejaculation, Blood-related Aunt/Nephew Incest, Office Lady Heroine, Panchira, Outdoor Sex, Naked Sprites, Anal Toys, Cowgirl, Shimaidon Ending, Oyakodon Ending, Aunt/Nephew Incest, Standing Sex, Sitting Sex, Spoons, Piledriver, Discreet Sex, Drunk Sex, Bathroom Sex, Sex in Front of an Audience, Mischievous Heroine, Heroine with Children, Reverse Missionary, Double Dildos, Heroine with Pubic Hair, Tribadism on Penis, Twin Handjob, Double Penetration (Group Sex), Changeable Font, Ball-cupping, Sexual Cosplay, Sex on Toilet, Vaginal + Anal Object Insertion, Legwear Footjob, Single Boobjob, Single Footjob, Single Handjob, Single Blowjob, Pissing, Anal Sex, Sex Involving Food, Vaginal Fingering, Vaginal Gaping, High School Student Heroine, Heroine with Big Breasts, Heroine with Small Breasts (Non-Loli), Nukige, Heroine's Mother as a Heroine

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---
*View the full details at [pinovel.net/v2192](https://pinovel.net/v2192).*

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```