---
title: "Momichupa Teacher! ~Kyonyuu Shimai to Sankaku Kankei~"
description: "Seiji is an English teacher. He really works hard to become a good teacher. However, he loves oppai! Unfortunately(?), there are only few girls who have big bre"
image: "https://t.vndb.org/cv/54/128054.jpg"
---

# Momichupa Teacher! ~Kyonyuu Shimai to Sankaku Kankei~

![Momichupa Teacher! ~Kyonyuu Shimai to Sankaku Kankei~](https://t.vndb.org/cv/54/128054.jpg)

**Alternative Title:** もみちゅぱティーチャー！～巨乳姉妹と三角関係～

**Developer:** POISON EXTASY

**Release date:** Feb 27, 2009

**Platform:** Windows, PSP

**Language:** Japanese

**Rating:** 6.8/10 (22 votes)

## Description
Seiji is an English teacher. He really works hard to become a good teacher. However, he loves oppai! Unfortunately(?), there are only few girls who have big breasts except for two girls, Yurie, a student, and Michiru, a teacher. They are sisters and famous for their beauty. They are Seiji's old friends, but he can't stop watching their breasts.... "No, I'm a teacher!" One day, Yurie and Michiru need somewhere to live because their apartment suddenly goes under construction and they start living at Seiji's house. He thinks, "I hope nothing wrong will happen," but Michiru, Yurie, and Seiji are naked when they wake up on the next morning! "Seiji, take responsibility...." Seiji doesn't remember what happened, but he is an oppai lover. He decides to keep oppai relationship with them. His momimomi chupachupa oppai life starts now....

[From [ErogeShop.com](http://web.archive.org/web/20090116170429/http://www.erogeshop.com:80/product_info.php/products_id/1011953)]

## Characters
### Kiyokawa Seiji (清川 聖司)
- **Gender:** Male
- **Hair:** Brown
- **Eyes:** Hidden
- **Role:** Teacher

### Mizukoshi Michiru (水越 みちる)
- **Gender:** Female
- **Measurements:** Height: 164cm, Bust-Waist-Hips: 101-60-90cm, I cup
- **Birthday:** 2 November
- **Hair:** Blond, Bun, Odango, Waist Length+, Intake
- **Clothes:** Glasses, Miniskirt, Thigh-high Stockings, Lab Coat, Tank Top, Wedding Dress, One Piece Swimsuit, Naked Apron, Blouse, Towel, Turtleneck Sweater, Crop Top, Halterneck Dress, Microskirt, Micro Bikini
- **Role:** Teacher, Older Sister
- **Eyes:** Cyan
- **Engages in:** Lactation
- **Voiced by:** Isshiki Hikaru

### Mizukoshi Yurie (水越 ゆりえ)
- **Gender:** Female
- **Measurements:** Height: 156cm, Bust-Waist-Hips: 99-60-81cm, H cup
- **Birthday:** 10 October
- **Hair:** Blond, Twin Tails, Long
- **Clothes:** School Uniform, Apron, Necktie, T-shirt, Miniskirt, Shorts, Sport Bloomers, Thigh-high Stockings, Wedding Dress, Naked Apron, Suspenders, Towel, Hair Tie, Crop Top, New Type School Swimsuit, Sports Swimsuit, Choker, Cheerleading Uniform, Micro Bikini
- **Eyes:** Blue
- **Role:** Younger Sister, School Swimming Club Member, Twelfth Grader
- **Voiced by:** Satou Yuki

### Hiiragi Kiriko (柊 桐子)
- **Gender:** Female
- **Hair:** Shoulder-length
- **Eyes:** Brown
- **Clothes:** Glasses, Blouse, Cravat, Brooch, Skirt Suit
- **Role:** Teacher
- **Personality:** Strict
- **Voiced by:** Kawano Nene

### Matsuno Nozomu (松野 望)
- **Gender:** Male
- **Hair:** Blond, Short
- **Eyes:** Brown
- **Clothes:** Trousers, Necktie, Shirt
- **Role:** High School Student
- **Personality:** Optimist
- **Voiced by:** Munakata Jin

### Mori Eikichi (森 映吉)
- **Gender:** Male
- **Hair:** Black
- **Body:** Overweight
- **Clothes:** Suit, Necktie, Shirt
- **Role:** Teacher
- **Eyes:** Itome
- **Voiced by:** Munakata Jin

### Takemoto Kaoru (竹本 薫)
- **Gender:** Female
- **Hair:** Brown, Short
- **Clothes:** School Uniform, Necktie, T-shirt, Miniskirt, Sport Bloomers, Knee-high Socks, Sports Swimsuit
- **Eyes:** Amber
- **Role:** High School Student, School Swimming Club Member
- **Personality:** Food Lover
- **Engages in:** Not Sexually Involved
- **Voiced by:** Kawano Nene

### Umemura Shinobu (梅村 忍)
- **Gender:** Female
- **Hair:** Ahoge, Twin Tails, Shoulder-length, Cyan
- **Eyes:** Brown
- **Clothes:** School Uniform, Necktie, T-shirt, Miniskirt, Sport Bloomers, Over The Knee Socks, Cheerleading Uniform
- **Role:** High School Student
- **Engages in:** Not Sexually Involved
- **Voiced by:** Satou Yuki

## Shops
- [Official Website](http://www.pajamas.ne.jp/pjex/momi/index.html)
- [DLsite](https://www.dlsite.com/pro/work/=/product_id/VJ005390.html)
- [Getchu](http://www.getchu.com/soft.phtml?id=602285)

## Releases
### Japanese
- **2009-02-27**: Momichupa Teacher! ~Kyonyuu Shimai to Sankaku Kankei~ First Press Edition - [Official website](http://www.pajamas.ne.jp/pjex/momi/index.html), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=11864), [Getchu](http://www.getchu.com/soft.phtml?id=602285)
- **2009-02-27**: Momichupa Teacher! ~Kyonyuu Shimai to Sankaku Kankei~ First Press Edition Yoyaku Tokuten "Michiru to Love Ero Onsen Ryokou" - [Official website](http://www.pajamas.ne.jp/pjex/momi/yoyaku.html), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=29408)
- **2010-03-26**: Momichupa Teacher! ~Kyonyuu Shimai to Sankaku Kankei~ UMD-PG Edition - [Official website](http://www.palacegame.cc/detail.php?id=0010)
- **2011-01-28**: Momichupa Teacher! ~Kyonyuu Shimai to Sankaku Kankei~ Download Edition - [Official website](http://www.pajamas.ne.jp/pjex/momi/index.html), [DLsite](https://www.dlsite.com/pro/work/=/product_id/VJ005390.html), [Gyutto](https://gyutto.com/i/item14964), [Digiket](https://www.digiket.com/work/show/_data/ID=ITM0049124/), [DL.Getchu](http://dl.getchu.com/i/item1002941), [DMM](https://dlsoft.dmm.co.jp/detail/pencil_0004/)

## Tags
ADV, High School, Male Protagonist, Adult Protagonist, Multiple Endings, Teacher Heroine, Heroine with Glasses, Protagonist's Childhood Friend as a Heroine, Nukige, Protagonist's Sister as a Support Character, Love Triangle, Group Sex of One Male and Several Females, Under the Same Roof, Harem Ending, Adult Heroine, Teacher Protagonist, Flashback, Defloration, Only Virgin Heroines, Heroine with Swimsuits, Missionary Position, Twin Blowjob, Date Display, Naked Heroine with Apron, Doggy Style, Outdoor Sex, Naked Sprites, Threesome Ending, Cowgirl, Sex in Water, Bleep Censor, Shimaidon Ending, Standing Sex, Sitting Sex, Bathroom Sex, Love Hotel, Soapy Massage, Marriage Ending, Twin Boobjob, Reverse Missionary, Sex at School, Adult Breast Sucking, Threesome, High School Student Heroine

## More Games from POISON EXTASY
- [Momichupa Teacher! ~Kyonyuu Shimai to Sankaku Kankei~](https://pinovel.net/v1625)
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- [Love Love ♥ Princess ~Ohime-sama ga Ippai! Motto Ecchi na Harem Seikatsu!!~](https://pinovel.net/v16657)
- [Love Love Sisters ~Hanayome & Shimai-tachi to no Doki Doki Harem Seikatsu~](https://pinovel.net/v19721)
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---
*View the full details at [pinovel.net/v1625](https://pinovel.net/v1625).*

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