---
title: "Ane to Osananajimi wa Naka ga Ii! ~\"Ninben\" Tsuitenai shi...~"
description: "Protagonist is excited about the start of their summer vacation. However, things take a turn when his father, a geologist in South America, sends him a mineral "
image: "https://t.vndb.org/cv/13/26113.jpg"
---

# Ane to Osananajimi wa Naka ga Ii! ~"Ninben" Tsuitenai shi...~

![Ane to Osananajimi wa Naka ga Ii! ~"Ninben" Tsuitenai shi...~](https://t.vndb.org/cv/13/26113.jpg)

**Alternative Title:** 姉と幼なじみは中がイイ！ ～「ニンベン」ついてないし…～

**Developer:** Atelier Kaguya HonkyTonk Pumpkin

**Release date:** Jul 31, 2015

**Platform:** Windows, BDP

**Language:** Japanese, English

**Rating:** 7.3/10 (123 votes)

## Description
Protagonist is excited about the start of their summer vacation. However, things take a turn when his father, a geologist in South America, sends him a mineral sample containing an ancient pathogen. This leads to their family being at the forefront of a "love pandemic." The infection targets those who have unrequited love, causing them to experience mild infatuation symptoms. The treatment involves releasing one's desires and not holding back on their feelings. The protagonist's summer vacation becomes an exciting and somewhat risqué adventure, involving his two sisters and childhood friend from next door. Will they be able stop the pandemic in time to save humanity?

## Characters
### Takahashi Yosuke (高橋 洋輔)
- **Gender:** Male
- **Body:** Teen
- **Role:** Husband, Full Brother, Boyfriend, Childhood Friend, Nameable, Younger Brother

### Satou Kanon (佐藤 花音)
- **Gender:** Female
- **Hair:** Brown, Ahoge, Long, Sidehair
- **Body:** Teen, Big Breasts
- **Eyes:** Violet
- **Personality:** Deredere, Friendly, Kind, Stubborn, Naive, Immature, Mischievous, Emotional, Curious, Flustered, Sensitive
- **Role:** Wife, Girlfriend, Childhood Friend, Cheerleader
- **Subject of:** Pregnancy
- **Clothes:** Naked Apron, Panties, Blouse, Sundress, Cheerleading Uniform
- **Voiced by:** Imaya Minami

### Takahashi Ichika (高橋 一夏)
- **Gender:** Female
- **Hair:** Ahoge, Waist Length+, Orange, Sidehair
- **Engages in:** Cooking, Cosplay
- **Eyes:** Red
- **Body:** Young-adult, Huge Breasts
- **Clothes:** Miniskirt, Baby-doll, Sleeveless Sweater, Usamimi Headband
- **Personality:** Friendly, Relaxed, Kind, Protective, Honest, Confident, Brother Complex, Mischievous, Emotional, Assertive, Whimsical, Wise
- **Role:** Full Sister, Not a Virgin, Older Sister
- **Subject of:** Pregnancy
- **Voiced by:** Misaki Tomomi

### Takahashi Mitsuki (高橋 魅月)
- **Gender:** Female
- **Hair:** Ahoge, Short, Spiky, Orange
- **Body:** Teen, Big Breasts
- **Personality:** Carefree, Friendly, Kind, Tomboy, Honest, Brother Complex, Mischievous, Emotional, Assertive, Whimsical, Sensitive
- **Role:** Full Sister, Not a Virgin, Office Worker, Middle Sister
- **Engages in:** Teasing
- **Subject of:** Pregnancy
- **Clothes:** Tank Top, Towel, Skirt Suit, Nightgown, Short Shorts
- **Eyes:** Garnet
- **Voiced by:** Kawashima Rino

## Shops
- [Official Website](http://www.a-kaguya.com/products_HP/ane_osa/index.html)
- [DLsite](https://www.dlsite.com/pro/work/=/product_id/VJ009588.html)

## Releases
### Japanese
- **2015-07-17**: Ane to Osananajimi wa Naka ga Ii! ~"Ninben" Tsuitenai shi...~ Trial Edition - [Official website](http://www.a-kaguya.com/products_HP/ane_osa/download.html)
- **2015-07-31**: Ane to Osananajimi wa Naka ga Ii! ~"Ninben" Tsuitenai shi...~ Package Edition - [Official website](http://www.a-kaguya.com/products_HP/ane_osa/index.html), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=22064)
- **2015-07-31**: Ane to Osananajimi wa Naka ga Ii! ~"Ninben" Tsuitenai shi...~ Download Edition - [Official website](http://www.a-kaguya.com/products_HP/ane_osa/index.html), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=22064), [DLsite](https://www.dlsite.com/pro/work/=/product_id/VJ009588.html), [Gyutto](https://gyutto.com/i/item157535), [Digiket](https://www.digiket.com/work/show/_data/ID=ITM0124163/), [DL.Getchu](http://dl.getchu.com/i/item1005346), [DMM](https://dlsoft.dmm.co.jp/detail/cveaa_0006/)
- **2016-04-28**: Ane to Osananajimi wa Naka ga Ii! ~"Ninben" Tsuitenai shi...~ Blu-ray Game - [Official website](http://www.aicherry.com/BD/blu_ray/contents/aicherry/jacket/aicbd0052/aicbd0052.html)

### English
- **2022**: Ane to Osananajimi wa Naka ga Ii! ~"Ninben" Tsuitenai shi...~ - [Official website](https://sugoivisualnovel.up.railway.app/vns/17633)

## Tags
ADV, Brother/Sister Incest, Blood-related Brother/Sister Incest, Brother/Sister Romance, Male Protagonist, Slice of Life Comedy, Multiple Endings, Protagonist's Childhood Friend as a Heroine, Nameable Protagonist, Nukige, Map Movement, High Sexual Content, Group Sex of One Male and Several Females, Early Sexual Content, Pregnant Sex, Under the Same Roof, Harem Ending, Slice of Life, Heroine with Sexual Experience, Tomboy Heroine, Female Domination, Vibrators, Defloration, Sex in Public Places, Wake-up Sex, Missionary Position, Sixty-nine, Impregnation, Lactation During Sex, Inbreeding, Triple Blowjob, Non-penetrative Sex, Naked Heroine with Apron, Only Good Endings, Cunnilingus, Balls Sucking, More Than Seven Endings, Brocon Heroine, Doggy Style, Female Ejaculation, Ejaculation Choice, Outdoor Sex, Deepthroat, Excessive Semen, Cowgirl, Reverse Cowgirl, Sex in Water, Standing Sex, Sitting Sex, Spoons, Piledriver, Bathroom Sex, Kissing Scene, Gokkun, Background Moans, Facesitting, Quickie Fix Position, Triple Boobjob, Kneepit Sex, Masturbation with Object, Anal Fingering, Pantyjob, Breast Smothering, Adult Breast Sucking, Bunnygirl Cosplay, Impregnation Choice, Protagonist's Older Sister as a Heroine, Anal Gaping, Nursing Handjob, Pregnancy Good Ending, Single Boobjob, Single Handjob, Single Blowjob, Vaginal Masturbation, Pissing, Anal Sex, Vaginal Fingering, Protagonist's Full Sister as a Heroine, Heroine with Huge Breasts, Heroine with Big Breasts, Naked Sprites

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---
*View the full details at [pinovel.net/v17633](https://pinovel.net/v17633).*

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