---
title: "Onee-chan no Sourou Kaizen Lesson ~Dashisugi ni Gochuui Yo♪~"
description: "This is a meeting room with the school counselor. Shuua hears a rumor that a male counselor is coming to the school and decides to talk to him about his current"
image: "https://t.vndb.org/cv/26/28326.jpg"
---

# Onee-chan no Sourou Kaizen Lesson ~Dashisugi ni Gochuui Yo♪~

![Onee-chan no Sourou Kaizen Lesson ~Dashisugi ni Gochuui Yo♪~](https://t.vndb.org/cv/26/28326.jpg)

**Alternative Title:** お姉ちゃんの早漏改善レッスン ～だし過ぎにご注意よ♪～

**Developer:** Appetite

**Release date:** May 13, 2016

**Platform:** Windows

**Language:** Japanese

**Rating:** 6.5/10 (25 votes)

## Description
This is a meeting room with the school counselor. Shuua hears a rumor that a male counselor is coming to the school and decides to talk to him about his current problems. 

However, who arrives is actually his sister Mikako! 

"Huh!? What are you doing here, sis!?"

At first he was hesitant to reveal his concerns, but Mikako's earnest response made Shuuta comfortable enough to share it with her.

The problem was that he has premature ejaculation during his first time with a girl. It was simply a handjob. His partner laughed at him for cumming so quickly. He is also a premature ejaculator when masturbating.

When Mikako saw that her brother's future was in jeopardy, she took the plunge. She took off her clothes down and thus began their lesson in overcoming premature ejaculation.

[From [official site](https://www.appetite-game.com/apt_065.html#story)]

## Characters
### Shinonome Shuuta (東雲 宗太)
- **Gender:** Male
- **Body:** Teen, Pale
- **Role:** High School Student, Younger Brother

### Shinonome Mikako (東雲 美香子)
School counselor and “Shuuta's” older sister.  She appears optimistic and hedonistic, but in fact she is calm and collected. She has a keen sense of observation.

[From [url=https://www.appetite-game.com/apt_065.html#character]official site[/url]]

- **Gender:** Female
- **Measurements:** Bust-Waist-Hips: 99-58-89cm, H cup
- **Hair:** Black, Long, Straight, Sidehair, Pubic Hair
- **Body:** Pale, Young-adult, Nail Polish, Makeup, Visible Nipples, Huge Breasts
- **Eyes:** Blue
- **Clothes:** Earrings, Glasses, Lab Coat, Garter Belt Stockings, Fishnet Stockings, Sleeveless Mini-dress, High Heeled Shoes
- **Personality:** Relaxed, Insightful, Observant
- **Role:** Older Sister, Therapist
- **Voiced by:** Natsukawa Nanami

## Shops
- [Official Website](http://www.appetite-game.com/apt_065.html)
- [DLsite](https://www.dlsite.com/pro/work/=/product_id/VJ010155.html)

## Releases
### Japanese
- **2016-05-13**: Onee-chan no Sourou Kaizen Lesson ~Dashisugi ni Gochuui Yo♪~ Download Edition - [Official website](http://www.appetite-game.com/apt_065.html), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=23582), [DLsite](https://www.dlsite.com/pro/work/=/product_id/VJ010155.html)
- **2016-05-27**: Onee-chan no Sourou Kaizen Lesson ~Dashisugi ni Gochuui Yo♪~ Package Edition - [Official website](http://www.appetite-game.com/apt_065.html)

## Tags
ADV, Male Protagonist, Nukige, Only a Single Heroine, Intercrural Sex, Heroine with Garter Belt, Single Buttjob, Heroine with Huge Breasts, Protagonist's Full Sister as a Heroine, Outdoor Sex, Masturbation with Object, Single Blowjob, Sex on a Roof, Cowgirl, Legwear Footjob, Only Protagonist's Sisters as Heroine(s), Single Footjob, Blood-related Brother/Sister Incest, Masturbation in front of an Audience, Cock and Ball Torture, Only Blood-related Heroines, Only Older Heroines, Female Ejaculation, Single Handjob, Vaginal Fingering, Dildos, Vaginal Masturbation, Nursing Handjob, Only Adult Heroines, Heroine with Pubic Hair, Adult Breast Sucking, Anilingus, Rimming Handjob, Single Boobjob, High School Student Protagonist, Butterfly, Cunnilingus, Sex in Public Places, Sex at School, Ahegao, Protagonist's Older Sister as a Heroine

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---
*View the full details at [pinovel.net/v19249](https://pinovel.net/v19249).*

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```