---
title: "Koukan no Toriko-tachi..."
description: "Hiroki and Yukari had been a couple since they were students. Meanwhile, their juniors Tetsuya and Mei still hadn't developed to the point where they went out y"
image: "https://t.vndb.org/cv/25/127025.jpg"
---

# Koukan no Toriko-tachi...

![Koukan no Toriko-tachi...](https://t.vndb.org/cv/25/127025.jpg)

**Alternative Title:** 交姦の虜たち…

**Developer:** Waffle

**Release date:** Jun 24, 2016

**Platform:** Windows

**Language:** Japanese, English

**Rating:** 7.3/10 (109 votes)

## Description
Hiroki and Yukari had been a couple since they were students. Meanwhile, their juniors Tetsuya and Mei still hadn't developed to the point where they went out yet. However, inspired by Hiroki's marriage, they started dating and became lovers.

That was 3 years ago. Now. Hiroki and Yukari are happily married, Tetsuya and Mei are also planning their wedding. However, it seems that their juniors' relationship isn't so good lately.

After some probing, Tetsuya unexpectedly asks Hiroki to sleep with Mei. A surprised Hiroki decides to discuss it with Yukari and she chooses to accept Tetsuya's request. However, Tetsuya's request doesn't stop there...

[Translated from [Official Site](http://www.waffle1999.com/game/66koukan/story.html)]

## Characters
### Yagami Hiroki (八神 洋樹)
- **Gender:** Male
- **Role:** Husband, Office Worker
- **Engages in:** Swinging

### Maejima Mei (前島 愛衣)
- **Gender:** Female
- **Measurements:** Height: 154cm, Weight: 47kg, Bust-Waist-Hips: 86-58-87cm, D cup
- **Hair:** Ponytail, Shoulder-length, Grey, Parted to Side
- **Body:** Pale, Young-adult, Big Breasts
- **Eyes:** Blue
- **Clothes:** Miniskirt, Thigh-high Stockings, Blouse, Yukata, Pleated Skirt, String Ribbon Tie
- **Personality:** Reserved
- **Role:** Girlfriend, Childhood Friend, Kindergarten Teacher
- **Engages in:** Swinging
- **Voiced by:** Yomogi Kasumi

### Yagami Yukari (八神 ゆかり)
- **Gender:** Female
- **Measurements:** Height: 167cm, Weight: 54kg, Bust-Waist-Hips: 89-60-89cm, E cup
- **Hair:** Violet, Ahoge, Long, Parted to Side
- **Body:** Pale, Young-adult, Big Breasts
- **Clothes:** Mini-dress, Skirt, Thigh-high Stockings, Yukata, Turtleneck Shirt, High Heeled Sandals, Lace Lingerie, Thong Panties, High Heeled Shoes
- **Personality:** Friendly
- **Role:** Wife, Office Worker
- **Eyes:** Garnet
- **Engages in:** Swinging
- **Voiced by:** Konoha

### Kamikawa Tetsuya (神河 哲弥)
- **Gender:** Male
- **Role:** Boyfriend
- **Personality:** Closet Pervert
- **Engages in:** Swinging

## Shops
- [Official Website](http://www.waffle1999.com/game/66koukan/)
- [DLsite](https://www.dlsite.com/pro-touch/work/=/product_id/VJ013177.html)
- [Getchu](http://www.getchu.com/soft.phtml?id=1076642)

## Releases
### Japanese
- **2016-05-27**: Koukan no Toriko-tachi... - Trial Edition - [Official website](http://www.waffle1999.com/game/66koukan/trial.html)
- **2016-06-24**: Koukan no Toriko-tachi... - Package Edition - [Official website](http://www.waffle1999.com/game/66koukan/), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=23345)
- **2016-06-24**: Koukan no Toriko-tachi... - Download Edition - [Official website](http://www.waffle1999.com/game/66koukan/), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=23345)
- **2016-06-24**: Yukari no Kakusareshi Kako Hen - Official Mail Order Privilege DLC - [Official website](http://www.waffle1999.com/game/66koukan/store.html), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=23345)
- **2020-01-31**: Koukan no Toriko-tachi... - Special Edition - Package Edition - [Official website](http://www.waffle1999.com/game/66koukan/), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=23345), [Getchu](http://www.getchu.com/soft.phtml?id=1076642)
- **2020-01-31**: Koukan no Toriko-tachi... - Special Edition - Download Edition - [Official website](http://www.waffle1999.com/game/66koukan/), [DLsite](https://www.dlsite.com/pro-touch/work/=/product_id/VJ013177.html), [DMM](https://dlsoft.dmm.co.jp/detail/waffle_0106/)
- **2020-01-31**: Koukan no Toriko-tachi... - Special Edition - Download Card Edition - [Official website](http://www.waffle1999.com/game/66koukan/)

### English
- **2026-01**: Koukan no Toriko-tachi... - [Official website](https://greatvisualnovel.up.railway.app/vns/19220)

## Tags
Sexual Content, ADV, Male Protagonist, Adult Protagonist, Multiple Endings, Nukige, Shy Heroine, Adult Heroine, Netorare, Netori, Married Heroine, Other Perspectives, Group Sex of Multiple Females and Males, Vibrators, Protagonist with a Face, Condoms, Anal Penetration, Boobjob, Onsen, Group of Friends, Missionary Position, Protagonist in Relationship, Sixty-nine, Sounds of Copulation, Blowjob, Handjob, Masturbation, Cunnilingus, Voyeurism, Doggy Style, Ejaculation Choice, Outdoor Sex, Naked Sprites, Netorare Type A, Fingering, Cowgirl, Sex in Water, Swinging, Standing Sex, Sitting Sex, Spoons, Production of Pornography (Amateur), Bathroom Sex, Love Hotel, Protagonist with a Sprite, Background Moans, Quickie Fix Position, Heroine in Relationship with Other(s), Masturbation with Object, Anal Fingering, Ryokan, Used Condoms Exposition, Heroine with Big Breasts, Netorase

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---
*View the full details at [pinovel.net/v19220](https://pinovel.net/v19220).*

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```