---
title: "Osananajimi no Onee-chan Sensei to H de Naisho na Kankei!?"
description: "Read about Osananajimi no Onee-chan Sensei to H de Naisho na Kankei!? visual novel."
image: "https://t.vndb.org/cv/18/94118.jpg"
---

# Osananajimi no Onee-chan Sensei to H de Naisho na Kankei!?

![Osananajimi no Onee-chan Sensei to H de Naisho na Kankei!?](https://t.vndb.org/cv/18/94118.jpg)

**Alternative Title:** 幼なじみのお姉ちゃん先生とＨでナイショな関係！？

**Developer:** Amuse Craft Erotica

**Release date:** Sep 1, 2019

**Platform:** Windows, DVD

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

**Rating:** 7.1/10 (52 votes)

## Characters
### Asanaga Keita (朝永 恵太)
- **Gender:** Male
- **Hair:** Brown
- **Eyes:** Hidden
- **Role:** Childhood Friend

### Yokura Kitaka (与倉 來花)
- **Gender:** Female
- **Alias:** きーちゃん
- **Hair:** Brown, Long, Wavy, Braid, Parted to Side
- **Body:** Slim, Pale, Young-adult, Big Breasts
- **Eyes:** Blue
- **Clothes:** Glasses, Miniskirt, Thigh-high Stockings, Sandals, Bikini, Blouse, Ribbon Tie, Ribbon Hair Tie, Sailor School Uniform
- **Role:** Childhood Friend, University Student, Ane Act, Student Teacher
- **Personality:** Watashi
- **Voiced by:** Ayane Mako

## Shops
- [Official Website](http://erotica.amusecraft.com/osana/)
- [Getchu](http://www.getchu.com/soft.phtml?id=1086661)

## Releases
### Japanese
- **2019-09-01**: Osananajimi no Onee-chan Sensei to H de Naisho na Kankei!? - Download Edition - [Official website](http://erotica.amusecraft.com/osana/), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=28315), [DMM](https://dlsoft.dmm.co.jp/detail/spal_0141/)
- **2020-05-29**: Osananajimi no Onee-chan Sensei to H de Naisho na Kankei!? - Package Edition - [Official website](http://erotica.amusecraft.com/osana/), [Melonbooks.co.jp](https://www.melonbooks.co.jp/detail/detail.php?product_id=646631), [Getchu](http://www.getchu.com/soft.phtml?id=1086661), [DMM](https://www.dmm.co.jp/mono/pcgame/-/detail/=/cid=2264apc13433/), [Toranoana](https://ec.toranoana.shop/tora/ec/item/210006612677/)
- **2020-10-22**: Osananajimi no Onee-chan Sensei to H de Naisho na Kankei!? - DVDPG - [Official website](http://n43project.com/n43/npg370/index.html), [DMM](https://www.dmm.co.jp/mono/anime/-/detail/=/cid=h_107npg370/)

### Chinese (simplified)
- **2021-02-02**: He Qingmeizhuma de Jiejie Laoshi H shi Hen Zhengchang de Guanxi！？

## Tags
ADV, Male Protagonist, Multiple Endings, Heroine with Glasses, Protagonist's Childhood Friend as a Heroine, Only a Single Heroine, High Sexual Content, Early Sexual Content, Vibrators, Defloration, Only Virgin Heroines, Missionary Position, Sixty-nine, Cunnilingus, Doggy Style, Cowgirl, Heroine with a Braid, Sex in Water, Standing Sex, Sitting Sex, Butterfly, Piledriver, Kissing Scene, Background Moans, Sexual Blindfold, Reverse Missionary, Quickie Fix Position, Only Adult Heroines, Handcuffed Sex, Adult Breast Sucking, Nursing Handjob, Single Handjob, Vaginal Fingering, Sex with Protagonist Only, Only Older Heroines, Teacher Heroine, Nukige

## More Games from Amuse Craft Erotica
- [Osananajimi no Onee-chan Sensei to H de Naisho na Kankei!?](https://pinovel.net/v26272)
- [Gyaruko-chan to Shippori Onsen Ryokou ~H Shimakuri Sanpaku Yokka no Tabi~](https://pinovel.net/v27386)
- [Kinbaku Seido Kaichou ~Kare ni Shirareta Watashi no Himitsu~](https://pinovel.net/v28435)
- [Koe ni Koi Shite, Koikogare!](https://pinovel.net/v31286)
- [Tsumamomi ~Yokkyuu Fuman no Okusan to Nashikuzushi Oil Massage~](https://pinovel.net/v35328)
- [Kuro Gyaruko-chan to Shippori Onsen Ryokou ~H Shimakuri Sanpaku Yokka no Tabi~](https://pinovel.net/v38513)
- [Osananajimi Ojou-sama to H de Himitsu na Dousei Seikatsu](https://pinovel.net/v44108)
- [Kanojo no Shin'yuu ni Karada de Yuuwaku Sareru Himitsu no Kankei](https://pinovel.net/v51106)
- [Yuusha-sama...♥ Watashi to H Shimasen ka? ~Hime-sama to H o Shinai to Derarenai Dungeon ni Tojikomerareta Ken ni Tsuite~](https://pinovel.net/v52311)
- [Downer Gyaruko-chan to Shippori Onsen Ryokou ~H Shimakuri Yonpaku Itsuka no Tabi~](https://pinovel.net/v53742)
- [Gyaruko-chan-tachi to Shippori Onsen Ryokou ~Ichaicha Shimakuri Ippaku Futsuka no Tabi~](https://pinovel.net/v61731)
- [Youkashi no Haitokuai ~Junshin Tenshi wa Dakarete Iromeku~](https://pinovel.net/v65974)

---
*View the full details at [pinovel.net/v26272](https://pinovel.net/v26272).*

```json
{"@context":"https://schema.org","@type":"VideoGame","@id":"https://pinovel.net/v26272#game","name":"Osananajimi no Onee-chan Sensei to H de Naisho na Kankei!?","description":"Read about Osananajimi no Onee-chan Sensei to H de Naisho na Kankei!? visual novel.","url":"https://pinovel.net/v26272","image":"https://t.vndb.org/cv/18/94118.jpg","author":{"@type":"Organization","name":"Amuse Craft Erotica"},"aggregateRating":{"@type":"AggregateRating","ratingValue":"7.1","bestRating":10,"worstRating":1,"ratingCount":52}}
```