---
title: "Onee-chan no Seikyouiku ~Cool ni do M Choukyou Shite Ageru~"
description: "Little brother Izumi is curious about sex things, so he asks the highest authority on grownup things... his older sister, Kanna. The cooldere onechan is happy t"
image: "https://t.vndb.org/cv/75/40675.jpg"
---

# Onee-chan no Seikyouiku ~Cool ni do M Choukyou Shite Ageru~

![Onee-chan no Seikyouiku ~Cool ni do M Choukyou Shite Ageru~](https://t.vndb.org/cv/75/40675.jpg)

**Alternative Title:** お姉ちゃんの性教育～クールにドM調教してあげる～

**Aliases:** Sex Ed With Onechan ~Cool Training Style~

**Developer:** Dog Year Company

**Release date:** Jul 23, 2016

**Platform:** Windows

**Language:** Japanese

## Description
Little brother Izumi is curious about sex things,
so he asks the highest authority on grownup things... his older sister, Kanna.
The cooldere onechan is happy to show him everything...

[From [DLsite English](https://www.dlsite.com/ecchi-eng/work/=/product_id/RE176241.html)]

## Shops
- [DLsite](https://www.dlsite.com/maniax/work/=/product_id/RJ176241.html)

## Releases
### Japanese
- **2016-07-23**: Onee-chan no Seikyouiku ~Cool ni do M Choukyou Shite Ageru~ - [DLsite](https://www.dlsite.com/maniax/work/=/product_id/RJ176241.html), [DMM](https://www.dmm.co.jp/dc/doujin/-/detail/=/cid=d_121653/)

## Tags
Sexual Content

## More Games from Dog Year Company
- [Onee-chan no Seikyouiku ~Cool ni do M Choukyou Shite Ageru~](https://pinovel.net/v27146)

---
*View the full details at [pinovel.net/v27146](https://pinovel.net/v27146).*

```json
{"@context":"https://schema.org","@type":"VideoGame","@id":"https://pinovel.net/v27146#game","name":"Onee-chan no Seikyouiku ~Cool ni do M Choukyou Shite Ageru~","description":"Little brother Izumi is curious about sex things, so he asks the highest authority on grownup things... his older sister, Kanna. The cooldere onechan is happy t","url":"https://pinovel.net/v27146","image":"https://t.vndb.org/cv/75/40675.jpg","author":{"@type":"Organization","name":"Dog Year Company"}}
```