---
title: "Kansen ~In'yoku no Rensa~"
description: "Extracurricular club activities are the norm for Japanese schools, but an all-night movie event scheduled at school and in August still sounds strange/unusual, "
image: "https://t.vndb.org/cv/51/126851.jpg"
---

# Kansen ~In'yoku no Rensa~

![Kansen ~In'yoku no Rensa~](https://t.vndb.org/cv/51/126851.jpg)

**Alternative Title:** 姦染 ～淫欲の連鎖～

**Aliases:** Infection ~Chain of Lust~

**Developer:** SPEED

**Release date:** Apr 21, 2006

**Platform:** Windows, Android, DVD

**Language:** Japanese, English, Russian

**Rating:** 6.2/10 (127 votes)

## Description
Extracurricular club activities are the norm for Japanese schools, but an all-night movie event scheduled at school and in August still sounds strange/unusual, especially considering the tiny size of the Movie Research Club (merely six students). And indeed, the two teachers supporting this novelty have hidden motives/objectives, although also the six students themselves chose to participate in the event for personal/secret reasons...

[From a [forum post](https://web.archive.org/web/20161209182027/http://discuss.jastusa.com/discussion/4133/review-of-kansen) by Baldo]

## Characters
### Katou Yasuyuki (加藤 泰之)
- **Gender:** Male
- **Measurements:** Height: 170cm, Weight: 62kg
- **Hair:** Black, Short
- **Body:** Teen, Pale
- **Clothes:** School Uniform
- **Personality:** Donkan, Ore, Protective
- **Eyes:** Grey, Red
- **Engages in:** Suicide
- **Role:** Childhood Friend, High School Student
- **Subject of:** Viral Infection, Avoidable Death (obsolete), Survival, Netori (their SO is stolen)

### Saeki Hitomi (佐伯 瞳)
- **Gender:** Female
- **Measurements:** Height: 162cm, Weight: 49kg, B cup
- **Hair:** Violet, Waist Length+, Straight, Spiky Bangs, Sidehair
- **Body:** Teen, Slim, Pale
- **Clothes:** School Uniform, Headband, Necktie, Miniskirt, Court Shoes, Leggings, Torn Clothing, Loafers
- **Engages in:** Cooking, Suicide
- **Eyes:** Violet
- **Role:** Student Council President, High School Student, Yamato Nadeshiko
- **Personality:** Classic Tsundere, Watakushi, Disciplinarian
- **Subject of:** Viral Infection, Unavoidable Other Route Death, Survival, Phasmophobia
- **Items:** School Backpack
- **Voiced by:** Mikuro

### Yamagishi Yuu (山岸 優)
- **Gender:** Female
- **Measurements:** Height: 157cm, Weight: 48kg, C cup
- **Hair:** Brown, Antenna, Shoulder-length, Straight, Spiky Bangs
- **Eyes:** Brown, Red, Tareme
- **Body:** Teen, Slim, Pale
- **Clothes:** School Uniform, Necktie, Miniskirt, Knee-high Socks, Hairpin, Watch, Loafers
- **Engages in:** Cooking
- **Personality:** Outgoing, Kind, Energetic
- **Role:** Childhood Friend, Wealthy, High School Student, Popular
- **Subject of:** Viral Infection, Unavoidable Other Route Death, Survival
- **Items:** Bag
- **Voiced by:** Sakurai Miho

### Igarashi Tomomi (五十嵐 朋美)
- **Gender:** Female
- **Aliases:** トモミン, Tomomin, トモちゃん, Tomo-chan
- **Measurements:** Height: 150cm, Weight: 47kg, D cup
- **Hair:** Short, Straight, Green, No Bangs, Parted to Side
- **Body:** Teen, Slim, Pale
- **Clothes:** School Uniform, Necktie, Miniskirt, Sport Bloomers, Knee-high Socks, Hairpin, Unusual Hair Ornaments, Loafers
- **Engages in:** Cooking
- **Eyes:** Blue
- **Role:** Girlfriend, Friend, High School Student
- **Subject of:** Viral Infection
- **Voiced by:** Tamiyasu Tomoe

### Kishida Satoshi (岸田 聡)
- **Gender:** Male
- **Hair:** Black, Short, Crew Cut
- **Eyes:** Brown, Red
- **Subject of:** Assault, Viral Infection
- **Body:** Adult, Muscular
- **Personality:** Pervert
- **Engages in:** Blackmail
- **Items:** Whistle
- **Clothes:** Sports Uniform, Torn Clothing
- **Role:** PE Teacher

### Shindou Risa (新道 リサ)
- **Gender:** Female
- **Measurements:** Height: 165cm, Weight: 53kg, E cup
- **Hair:** Brown, Bun, Ponytail, Long, Curtained, Parted in Middle, Sidehair
- **Eyes:** Brown
- **Body:** Slim, Pale, Adult, Makeup
- **Clothes:** Earrings, Glasses, Shirt, Miniskirt, Collar, Lab Coat, Court Shoes, High Heels, Suspenders, Ribbon Hair Tie
- **Subject of:** Blackmail, Viral Infection
- **Role:** Teacher
- **Voiced by:** Itou Touko

### Takeuchi Shin'ya (竹内 真也)
- **Gender:** Male
- **Hair:** Brown, Short, Spiky, Spiky Bangs
- **Body:** Teen, Overweight, Ugly
- **Clothes:** School Uniform, Sports Shoes
- **Eyes:** Grey, Red
- **Personality:** Pervert
- **Role:** Childhood Friend, High School Student
- **Subject of:** Death, Viral Infection
- **Items:** Camera

### Tanaka Yuuji (田中 祐二)
- **Gender:** Male
- **Alias:** うーたん
- **Hair:** Brown, Short, Spiky, Spiky Bangs
- **Clothes:** Uniform, Sports Shoes, Watch, Torn Clothing
- **Subject of:** Assault, Viral Infection
- **Eyes:** Green, Red
- **Role:** Boyfriend, Friend, Childhood Friend, High School Student

## Shops
- [Official Website](http://www.chaos-r.com/chr035/index.php)
- [DLsite](https://www.dlsite.com/pro-touch/work/=/product_id/VJ01005217.html)
- [Getchu](http://www.getchu.com/soft.phtml?id=1340857)

## Releases
### Japanese
- **2006-04-04**: Kansen ~In'yoku no Rensa~ Trial Edition - [Official website](http://www.sp-janis.com/speed/infection/index.html#trial)
- **2006-04-21**: Kansen ~Inyoku no Rensa~ - [Official website](http://www.sp-janis.com/speed/infection/), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=7394), [Getchu](http://www.getchu.com/soft.phtml?id=232385)
- **2007-06-25**: Kansen ~Inyoku no Rensa~ DVDPG - [Official website](https://web.archive.org/web/20080324104850/http://www.ms-pictures.com/label/mints/products/kansen/200706_kansen_01.html), [Getchu](http://www.getchu.com/soft.phtml?id=403605), [DMM](https://www.dmm.co.jp/mono/anime/-/detail/=/cid=22dgmt7197/)
- **2008-06-27**: Kansen ~Inyoku no Rensa~ Special Price Edition - [Official website](http://www.sp-janis.com/speed/infection/specialprice.html)
- **2008-09-19**: Kansen ~Inyoku no Rensa~ Download Edition - [Official website](http://www.sp-janis.com/speed/infection/dlproducts.html), [DLsite](https://www.dlsite.com/pro-touch/work/=/product_id/VJ003389.html), [Digiket](https://www.digiket.com/work/show/_data/ID=ITM0025329/), [DMM](https://dlsoft.dmm.co.jp/detail/spacep_0027/)
- **2011-08-23**: Kansen ~Inyoku no Rensa~ - [Official website](http://www.iris-designworks.co.jp/rpr/rpr_02.php)
- **2013-07-26**: Kansen COMPLETE BOX ~RECORD Of FIRST To BALLBUSTER~ - [Official website](http://www.sp-janis.com/speed/infection-completebox/), [DMM](https://www.dmm.co.jp/mono/pcgame/-/detail/=/cid=531jsp314/)
- **2015-01-23**: Kansen ~Inyoku no Rensa~ Special Price Edition (Windows 8 Support Edition) - [Official website](http://www.sp-janis.com/speed/infection/specialprice.html), [Getchu](http://www.getchu.com/soft.phtml?id=840898), [DMM](https://www.dmm.co.jp/mono/pcgame/-/detail/=/cid=531jsp315/)
- **2015-10-30**: SP-JANIS REPUBLIC SPECIAL PACK - Package Edition - [Official website](http://www.sp-janis.com/spjanis-republic/specialpack1/), [Getchu](http://www.getchu.com/soft.phtml?id=865894)
- **2015-10-30**: SP-JANIS REPUBLIC SPECIAL PACK - Download Edition - [Official website](http://www.sp-janis.com/spjanis-republic/specialpack1/), [DMM](https://dlsoft.dmm.co.jp/detail/mgold_0101)
- **2015-10-30**: SP-Janis Republic SPEED Pack - [Official website](http://www.sp-janis.com/spjanis-republic.html), [DMM](https://dlsoft.dmm.co.jp/detail/mgold_0099/)
- **2018-02-23**: Kansen COMPLETE+ - [Official website](http://www.lune-soft.jp/game/15803), [Getchu](http://www.getchu.com/soft.phtml?id=985239), [DMM](https://www.dmm.co.jp/mono/pcgame/-/detail/=/cid=531jsp326/)
- **2025-09-26**: Kansen COMPLETE BOX+α ~Record of 1st to RE:UNION~ Limited Edition with DVD Drive - [Official website](http://www.chaos-r.com/chr035/index.php), [Getchu](http://www.getchu.com/soft.phtml?id=1340858), [DMM](https://www.dmm.co.jp/mono/pcgame/-/detail/=/cid=2175apc14870/)
- **2025-09-26**: Kansen COMPLETE BOX+α ~Record of 1st to RE:UNION~ Regular Edition - [Official website](http://www.chaos-r.com/chr035/index.php), [Getchu](http://www.getchu.com/soft.phtml?id=1340856)
- **2025-09-26**: Kansen COMPLETE BOX+α ~Record of 1st to RE:UNION~ Limited Edition with Acrylic Diorama - [Official website](http://www.chaos-r.com/chr035/index.php), [Getchu](http://www.getchu.com/soft.phtml?id=1340857)
- **2025-11-28**: Kansen COMPLETE BOX+α ~Record of 1st to RE:UNION~ Download Edition - [Official website](http://www.chaos-r.com/chr035/index.php), [DLsite](https://www.dlsite.com/pro-touch/work/=/product_id/VJ01005217.html)

### English
- **2023-10-24**: Kansen ~Chain of Lust~ - [Official website](https://gitgud.io/dazed-translations/Kansen1)

### Russian
- **2024-03-19**: Kansen COMPLETE+ - [Official website](https://pornolab.net/forum/viewtopic.php?t=3069914)

## Tags
Action, ADV, High School, Yamato Nadeshiko Heroine, Lesbian Sex, Male Protagonist, Drama, Descriptions of Violence, Teacher Heroine, Group Sex, Classic Tsundere Heroine, Nukige, Fictional Modern Day Japanese Town, Reverse Rape, Illness, Madness, Confinement, High Sexual Content, Group Sex of One Male and Several Females, Group Sex of One Female and Several Males, Student Heroine, Harem Ending, Unlockable Routes, Donkan Protagonist, High Amounts of Rape, Student Protagonist, Unavoidable Heroine Rape, Other Perspectives, Bad Ending(s), Flashback, Urination Fetish, Hidden Vibrator, Defloration, Anal Penetration, Summer, Wake-up Sex, Death of Heroine, Heroine with Tights, Desperation, Bad Endings with Story, Game Over, Missionary Position, Sixty-nine, Sounds of Copulation, Blowjob, Built-in Walkthrough, Intercrural Sex, Multiple Penetration, Bukkake, Erotic Spanking, Societal Collapse, High Amount of Bad Endings, High School Student Protagonist, Cunnilingus, More Than Seven Endings, Perverted Friend, Enema, Doggy Style, Joke Endings, Pornography, Naked Sprites, Netorare Type B, Bonus Side Stories, Fingering, Read Text Marking, Cowgirl, Standing Sex, Butterfly, Epidemic, Reverse Missionary, Quickie Fix Position, Piss Drinking, Reverse Piledriver, Tribadism on Penis, Double Penetration (Group Sex), Anal Rape, Anal Sex, High School Student Heroine, Gang Rape, Cannibalism

## More Games from SPEED
- [Amaenbou ~Mou! Ikenai Ko ne~](https://pinovel.net/v1862)
- [Kansen ~In'yoku no Rensa~](https://pinovel.net/v2655)
- [Kansen 2 ~Inzai Toshi~](https://pinovel.net/v2916)
- [Kansen 3 ~Shuto Houkai~](https://pinovel.net/v3230)
- [Seishin Osen](https://pinovel.net/v2181)
- [Kansen 4 ~The Day After~](https://pinovel.net/v3851)
- [Kansen 5 ~The Daybreak~](https://pinovel.net/v7804)
- [Succubus no Yuuutsu](https://pinovel.net/v10071)
- [Kansen Ball Buster](https://pinovel.net/v11123)
- [In'en ~Yamazato ni Midareru Taoyame~](https://pinovel.net/v12792)
- [Orc-sama to Majo ~Orcland Saga~](https://pinovel.net/v17056)
- [Kansen - Clipping Chronicle](https://pinovel.net/v18650)
- [Gokukano! ~Tama Torasetemoraimasu!~](https://pinovel.net/v19946)
- [Neko no Onee-chan ga Oshiete Kureta Koto](https://pinovel.net/v20868)

---
*View the full details at [pinovel.net/v2655](https://pinovel.net/v2655).*

```json
{"@context":"https://schema.org","@type":"VideoGame","@id":"https://pinovel.net/v2655#game","name":"Kansen ~In'yoku no Rensa~","description":"Extracurricular club activities are the norm for Japanese schools, but an all-night movie event scheduled at school and in August still sounds strange/unusual, ","url":"https://pinovel.net/v2655","image":"https://t.vndb.org/cv/51/126851.jpg","author":{"@type":"Organization","name":"SPEED"},"aggregateRating":{"@type":"AggregateRating","ratingValue":"6.2","bestRating":10,"worstRating":1,"ratingCount":127}}
```