---
title: "Kansen 4 ~The Day After~"
description: "Most events in Kansen 4 take place \"The Day After\" the endings of Kansen 1 and 2, during the reclamation of the contaminated areas by the Japan Self-Defence For"
image: "https://t.vndb.org/cv/95/126895.jpg"
---

# Kansen 4 ~The Day After~

![Kansen 4 ~The Day After~](https://t.vndb.org/cv/95/126895.jpg)

**Alternative Title:** 姦染4 ～The Day After～

**Aliases:** Infection 4 ~The Day After~

**Developer:** SPEED

**Release date:** Apr 30, 2010

**Platform:** Windows, Android, DVD

**Language:** Japanese

**Rating:** 6.5/10 (79 votes)

## Description
Most events in Kansen 4 take place "The Day After" the endings of Kansen 1 and 2, during the reclamation of the contaminated areas by the Japan Self-Defence Forces.

Daisuke Sendou just enjoys his school life with his classmates. One day, they go camping just before summer holiday (therefore escaping the initial outbreak of the Unknown virus epidemic), but... A cruel result is awaiting them there...

[Edited from ErogeShop]

## Characters
### Sendou Daisuke (仙道 大介)
- **Gender:** Male
- **Aliases:** Dai-chan, ダイちゃん
- **Measurements:** Height: 175cm, Weight: 65kg
- **Hair:** Black, Short, Spiky Bangs, Pubic Hair
- **Body:** Teen, Pale
- **Clothes:** School Uniform, Trousers, T-shirt
- **Eyes:** Black, Red
- **Personality:** Ore
- **Role:** Childhood Friend, Classmate, Neighbor, High School Student, Part-time Worker
- **Subject of:** Viral Infection, Survival

### Abumi Makoto (鐙 眞琴)
- **Gender:** Female
- **Alias:** マコ (Mako)
- **Measurements:** Height: 168cm, Weight: 45kg
- **Hair:** Brown, Ahoge, Long, Spiky Bangs, Thick Eyebrows, Sidehair, Pubic Hair
- **Eyes:** Brown, Red, Tareme
- **Body:** Teen, Slim, Tanline, Tanned
- **Clothes:** School Uniform, Jacket, Shirt, Jeans, Shorts, Sport Bloomers, Sports Shoes, Thigh-high Stockings, Tank Top, Ribbon Tie, Torn Clothing, Pleated Skirt, Sailor School Uniform
- **Engages in:** Teasing
- **Role:** Classmate, High School Student
- **Subject of:** Viral Infection, Teasing, Survival
- **Personality:** Tomboy, Atashi
- **Voiced by:** Kasuga An

### Ishigooka Shou (石郷岡 翔)
- **Gender:** Male
- **Measurements:** Height: 178cm, Weight: 65kg
- **Hair:** Short, Grey, Spiky, Pubic Hair
- **Clothes:** Trousers, Earrings, Cross Necklace, Shirt, Tank Top, Dog Tags, Ring, Watch
- **Eyes:** Grey, Red, Tsurime
- **Body:** Young-adult, Muscular
- **Personality:** Ore
- **Engages in:** Driving, Drinking, Smoking
- **Role:** Boyfriend, Childhood Friend, Mechanic
- **Subject of:** Death, Viral Infection

### Kirikoshi Saeko (桐越 冴子)
- **Gender:** Female
- **Alias:** サエ (Sae)
- **Measurements:** Height: 164cm, Weight: 46kg
- **Hair:** Blond, Ponytail, Long, Curtained, Parted in Middle, Sidehair
- **Eyes:** Brown, Red, Tsurime
- **Body:** Pale, Adult
- **Engages in:** Cooking, Drinking
- **Clothes:** Earrings, Necklace, Boots, Ring, Bracelet, Hair Tie, Choker, Short Shorts
- **Role:** Girlfriend, Friend, Senpai
- **Subject of:** Death, Viral Infection
- **Voiced by:** Yoshikawa Kana

### Masaka Aya (真坂 絢)
- **Gender:** Female
- **Measurements:** Height: 163cm, Weight: 48kg
- **Hair:** Black, Hime Cut, Waist Length+, Straight, Blunt Bangs, Sidehair, Pubic Hair
- **Body:** Teen, Slim, Pale
- **Clothes:** School Uniform, Dress, Necklace, Jeans, Pantyhose, Belt, Tank Top, Ribbon Tie, Pleated Skirt, Torn Pantyhose (damaged), Sailor School Uniform
- **Eyes:** Black, Red, Tsurime
- **Role:** Friend, Classmate, Poor, Yamato Nadeshiko
- **Subject of:** Viral Infection, Survival
- **Personality:** Watashi
- **Voiced by:** Mikuro

### Notoya Kozue (能登屋 梢)
- **Gender:** Female
- **Measurements:** Height: 155cm, Weight: 41kg
- **Hair:** Brown, Ahoge, Twin Tails, Waist Length+, Curtained, Spiky Bangs, Parted to Side
- **Eyes:** Brown, Tareme
- **Body:** Teen, Slim, Pale, Small Breast Sizes
- **Clothes:** Mini-dress, Jacket, T-shirt, Hoodie, Bikini, Ribbon Tie, Hair Tie, Spats, Unusual Hair Ornaments, Sports Swimsuit, Pleated Skirt, Sailor School Uniform
- **Personality:** Deredere, Shy, Timid, Watashi
- **Role:** Childhood Friend, Neighbor, Middle School Student, School Swimming Club Member
- **Subject of:** Death, Viral Infection, Teasing, Survival
- **Engages in:** Swimming
- **Voiced by:** Kazuna Sayaka

## Shops
- [Official Website](http://www.sp-janis.com/spjanis-republic/specialpack1/)
- [DLsite](https://www.dlsite.com/pro-touch/work/=/product_id/VJ005250.html)
- [Getchu](http://www.getchu.com/soft.phtml?id=985239)

## Releases
### Japanese
- **2010-04-30**: Kansen 4 ~The Day After~ First Press Edition - [Official website](http://www.sp-janis.com/speed/infection4/), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=13374)
- **2010-09-11**: Kansen 4 ~The Day After~ Download Edition - [Official website](http://www.sp-janis.com/speed/infection4/dlproducts.html), [DLsite](https://www.dlsite.com/pro-touch/work/=/product_id/VJ005250.html), [Digiket](https://www.digiket.com/work/show/_data/ID=ITM0047638/), [DMM](https://dlsoft.dmm.co.jp/detail/spacep_0037/)
- **2010-09-17**: Kansen 4 ~The Day After~ DVDPG - [Official website](https://web.archive.org/web/20111023085652/http://www.ms-pictures.com/label/mints/products/1009/kansen4/index.html), [DMM](https://www.dmm.co.jp/mono/anime/-/detail/=/cid=22dgmt8824/)
- **2011-08-26**: Kansen 4 ~The Day After~ Special Price Edition - [Official website](http://www.sp-janis.com/speed/infection4/specialprice.html)
- **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/)
- **2015-10-30**: 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/)
- **2016-04-22**: Kansen 4 ~The Day After~ - [Official website](https://web.archive.org/web/20160801101758/http://www.re-pro.info/rep12.php)
- **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/)

## Tags
Action, ADV, Yamato Nadeshiko Heroine, Romance, Imouto-type Heroine, Male Protagonist, Drama, Protagonist's Childhood Friend as a Heroine, Fictional Modern Day Japanese Town, Timid Heroine, Shy Heroine, Reverse Rape, Illness, Car, Madness, High Sexual Content, Group Sex of One Male and Several Females, Group Sex of One Female and Several Males, Student Heroine, Harem Ending, Donkan Protagonist, High Amounts of Rape, Tomboy Heroine, Big Breast Sizes Heroine, Fictional Modern Day Japanese Countryside, Slow-burn Romance, Dark Skinned Heroine, Nakige, Other Perspectives, Energetic Heroine, Protagonist with a Face, Defloration, Footjob, Boobjob, Summer, Cannibalism, Timed Choices, Heroine with Tights, Desperation, Bad Endings with Story, Game Over, Missionary Position, Protagonist's Childhood Friend as a Hero, Twin Blowjob, Built-in Walkthrough, Death of Hero, Intercrural Sex, Multiple Penetration, Bukkake, Societal Collapse, High Amount of Bad Endings, High School Student Protagonist, Cunnilingus, More Than Seven Endings, Sex in a Vehicle, Doggy Style, Gang Rape, Joke Endings, Outdoor Sex, Naked Sprites, Deepthroat, Netorare Type B, Fingering, Heroine with Tan Lines, Mindbreak, Read Text Marking, Cowgirl, Reverse Cowgirl, Ahegao, Epidemic, Heroine with Pubic Hair, Hair Pulling (Sexual), High School Student Heroine, Nukige

## 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/v3851](https://pinovel.net/v3851).*

```json
{"@context":"https://schema.org","@type":"VideoGame","@id":"https://pinovel.net/v3851#game","name":"Kansen 4 ~The Day After~","description":"Most events in Kansen 4 take place \"The Day After\" the endings of Kansen 1 and 2, during the reclamation of the contaminated areas by the Japan Self-Defence For","url":"https://pinovel.net/v3851","image":"https://t.vndb.org/cv/95/126895.jpg","author":{"@type":"Organization","name":"SPEED"},"aggregateRating":{"@type":"AggregateRating","ratingValue":"6.5","bestRating":10,"worstRating":1,"ratingCount":79}}
```