---
title: "Onee-san Sensei ~Hoshuu Jugyou no Ecchi na Sensei~"
description: "Read about Onee-san Sensei ~Hoshuu Jugyou no Ecchi na Sensei~ visual novel."
image: "https://t.vndb.org/cv/10/38610.jpg"
---

# Onee-san Sensei ~Hoshuu Jugyou no Ecchi na Sensei~

![Onee-san Sensei ~Hoshuu Jugyou no Ecchi na Sensei~](https://t.vndb.org/cv/10/38610.jpg)

**Alternative Title:** お姉さん先生 ～補習授業のエッチな先生～

**Developer:** Atelier Kaguya HonkyTonk Pumpkin

**Release date:** Mar 29, 2019

**Platform:** Windows

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

**Rating:** 7.3/10 (119 votes)

## Characters
### Otonashi Yoshihiro (音無  良洋)
- **Gender:** Male
- **Role:** Full Brother, University Student, Nameable, Younger Brother
- **Subject of:** Bone Fracture, Hospitalization

### Kuninaka Aiko (国中 愛子)
- **Gender:** Female
- **Hair:** Wavy, Shoulder-length, Intake, Spiky Bangs, Orange
- **Body:** Slim, Pale, Young-adult, Makeup, Huge Breasts
- **Clothes:** Thigh-high Stockings, Turtleneck Sweater
- **Personality:** Friendly, Relaxed, Kind, Naive, Honest, Emotional, Wise
- **Role:** Teacher, Not a Virgin
- **Eyes:** Cyan
- **Voiced by:** Yamato Sakura

### Otonashi Madoka (音無 まどか)
- **Gender:** Female
- **Hair:** White, Shoulder-length, Straight, Spiky Bangs
- **Body:** Slim, Pale, Young-adult, Huge Breasts
- **Eyes:** Amber
- **Clothes:** Miniskirt, Turtleneck Sweater, Pleated Skirt, Lace Lingerie, Thong Panties
- **Personality:** Friendly, Kind, Protective, Honest, Brother Complex, Emotional, Cheerful
- **Role:** Full Sister, Teacher, Pianist, Not a Virgin, Older Sister
- **Engages in:** Recreational Drug Use
- **Voiced by:** Inemuri Suyako

### Taioka Yuzuki (体岡 柚月)
- **Gender:** Female
- **Hair:** Brown, Ahoge, Shoulder-length, Straight, Spiky Bangs
- **Body:** Slim, Pale, Young-adult, Huge Breasts
- **Eyes:** Amber
- **Personality:** Carefree, Friendly, Kind, Tomboy, Mischievous, Optimist, Emotional, Watashi
- **Subject of:** Pregnancy
- **Role:** Not a Virgin, PE Teacher
- **Clothes:** Sports Jersey
- **Voiced by:** Saki Yutaka

### Yashiro Satomi (社 智美)
- **Gender:** Female
- **Hair:** Black, Shoulder-length, Straight, Parted to Side
- **Body:** Slim, Pale, Young-adult, Huge Breasts
- **Clothes:** Sweater, Pantyhose, Torn Pantyhose (damaged), Choker, Lace Band Thigh-high Stockings
- **Eyes:** Red
- **Personality:** Friendly, Kind, Honest, Confident, Mischievous, Emotional, Assertive
- **Role:** Teacher, Not a Virgin, University Teacher
- **Engages in:** Sewing
- **Voiced by:** Nonomura Saya

## Shops
- [Official Website](http://www.a-kaguya.com/products_HP/one_sensei/index.html)
- [DLsite](https://www.dlsite.com/pro/work/=/product_id/VJ012493.html)

## Releases
### Japanese
- **2019-03-29**: Onee-san Sensei ~Hoshuu Jugyou no Ecchi na Sensei~ Package Edition - [Official website](http://www.a-kaguya.com/products_HP/one_sensei/index.html), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=27654)
- **2019-03-29**: Onee-san Sensei ~Hoshuu Jugyou no Ecchi na Sensei~ Download Edition - [Official website](http://www.a-kaguya.com/products_HP/one_sensei/index.html), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=27654), [DLsite](https://www.dlsite.com/pro/work/=/product_id/VJ012493.html), [Gyutto](https://gyutto.com/i/item219398), [Digiket](https://www.digiket.com/work/show/_data/ID=ITM0189018/), [DL.Getchu](http://dl.getchu.com/i/item4018849), [DMM](https://dlsoft.dmm.co.jp/detail/cveaa_0059/)

### Chinese (simplified)
- **2021-02-08**: Wo de Jiejie Laoshi ～Buxike de Seqing Laoshi～ - [Official website](https://2dfan.org/downloads/13117)

### English
- **2022**: Onee-san Sensei ~Hoshuu Jugyou no Ecchi na Sensei~ - [Official website](https://sugoivisualnovel.up.railway.app/vns/25130)

## Tags
ADV, Blood-related Brother/Sister Incest, Oneesan-type Heroine, Male Protagonist, Multiple Endings, Teacher Heroine, Nameable Protagonist, Nukige, Group Sex of One Male and Several Females, Early Sexual Content, Pregnant Sex, Under the Same Roof, Harem Ending, Heroine with Sexual Experience, Tomboy Heroine, Female Domination, Vibrators, Wake-up Sex, Missionary Position, Heroine with Ahoge, Intercrural Sex, University Student Protagonist, Cunnilingus, More Than Seven Endings, Brocon Heroine, Doggy Style, Female Ejaculation, Cowgirl, Reverse Cowgirl, Sex in Water, P.E. Teacher Heroine, Sitting Sex, Spoons, Piledriver, Mischievous Heroine, Soapy Massage, Kissing Scene, Gokkun, Highly Animated Sprites, Background Moans, Facesitting, Reverse Missionary, Quickie Fix Position, Boobs on Glass, Only Adult Heroines, Tribadism on Penis, Armpit Licking, Pantyjob, Only Older Heroines, Adult Breast Sucking, Group (4+) Boobjob, Protagonist's Older Sister as a Heroine, Group (4+) Handjob, Only Non-Virgin Heroines, Foreskin Play, Nursing Handjob, Legwear Footjob, Protagonist's Full Sister as a Heroine, Heroine with Huge Breasts, University Teacher Heroine, Single Boobjob, Deepthroat

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---
*View the full details at [pinovel.net/v25130](https://pinovel.net/v25130).*

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