---
title: "Bouga Kyoukai"
description: "In a mountainous town there is a serial murder case with all the victims' necks cut off and either heads or bodies taken away. Main character is a student from "
image: "https://t.vndb.org/cv/89/13489.jpg"
---

# Bouga Kyoukai

![Bouga Kyoukai](https://t.vndb.org/cv/89/13489.jpg)

**Alternative Title:** 忘我境界

**Aliases:** Boundary of Ecstasy, Doppelgänger, Doppelganger

**Developer:** Underground Campaign

**Release date:** Aug 20, 2005

**Platform:** Windows

**Language:** Japanese, Korean

**Rating:** 8.8/10 (avg, 4 votes)

## Description
In a mountainous town there is a serial murder case with all the victims' necks cut off and either heads or bodies taken away. Main character is a student from a parallel world who claims that his twin brother and sister heads got replaced in early childhood. Normalcy and absurd come together in this investigation.

[From [vndbreview](https://vndbreview.blogspot.com/2019/10/vn-of-month-august-2005-saihate-no-ima.html)]

## Characters
### Basukiya Toori (馬数奇屋 通)
- **Gender:** Male
- **Alias:** トーリ
- **Hair:** Brown, Short, Eye Covering, Stubble
- **Body:** Pale, Young-adult
- **Role:** University Student
- **Eyes:** Garnet

### Kimera Kakeru (木米良 カケル)
- **Gender:** Male
- **Hair:** Blue, Antenna, Short, Spiky
- **Body:** Teen, Pale
- **Eyes:** Amber
- **Role:** Twin Brother, University Student, Older Brother

### Saimon Banji (西門 判治)
The main character of "Deconstructed World".
A fourth-year student in the Sculpture Department at Kasehara University of Art and Design.
Commonly known as "pansy".

[Translated from the [url=https://ugcp.sakura.ne.jp/bouga_chara.html]official website[/url]]

- **Gender:** Male
- **Aliases:** Pansy, パンジー, Panjii
- **Hair:** Brown, Ponytail, Curtained, Shoulder-length, Straight, Stubble, Spiky Bangs, Thick Eyebrows, Parted in Middle
- **Eyes:** Green, Sanpaku Eyes
- **Body:** Young-adult, Olive
- **Clothes:** Glasses
- **Role:** University Student, Sculptor, Repeater

### Bugai Kan'ichi (武凱 貫一)
- **Gender:** Male
- **Hair:** Black, Short, Stubble, Thick Eyebrows
- **Body:** Adult, Muscular, Scar
- **Engages in:** Smoking
- **Role:** Husband
- **Eyes:** Garnet
- **Items:** Cigarette

### Fujimori Borislaf (藤森 ボリスラーフ)
- **Gender:** Male
- **Hair:** Short, Grey, No Bangs, Slicked Back
- **Body:** Pale, Adult, Muscular, Mole
- **Role:** Russian, Half-Japanese
- **Eyes:** Cyan, Hosome

### Kasugai Keigo (春日居 啓吾)
- **Gender:** Male
- **Hair:** Brown, Short, Thick Eyebrows, Parted to Side
- **Eyes:** Blue, Hosome
- **Body:** Young-adult, Muscular

### Kimera Michiru (木米良 ミチル)
- **Gender:** Female
- **Hair:** Blue, Antenna, Short, Spiky, Sidehair
- **Body:** Teen, Pale
- **Eyes:** Amber
- **Role:** Twin Sister, Younger Sister

### Lang (ラング)
- **Gender:** Male
- **Hair:** Brown, Short, Spiky, Thick Eyebrows
- **Eyes:** Red
- **Body:** Young-adult, Muscular, Dark

### Samami Shinobu (座間味 しのぶ)
- **Gender:** Male
- **Hair:** Black, Short
- **Eyes:** Blue, Red, Heterochromia, Hosome
- **Body:** Young-adult
- **Clothes:** Glasses

### Teshikaga Katsuya (弟子屈 勝弥)
A detective. Currently in a sexual relationship with a senior officer.

- **Gender:** Male
- **Hair:** Brown, Short, Straight, Spiky, Thick Eyebrows, No Bangs
- **Eyes:** Blue, Sanpaku Eyes
- **Body:** Young-adult, Muscular, Olive
- **Role:** Detective, Sex Friend

### Translate (トランスレイト)
- **Gender:** Male
- **Hair:** Red, Short, Beard, Spiky
- **Eyes:** Grey
- **Body:** Muscular
- **Clothes:** Glasses

### Agapanthus (アガパンサス)
- **Gender:** Female
- **Hair:** Long, Straight, Grey, Parted in Middle
- **Eyes:** Violet, Hosome, Permanent Blank Eyes
- **Body:** Old, Dark, Bindi (Mark)
- **Role:** Foreigner
- **Personality:** Mysterious

### Bugai Haruka (武凱 春花)
- **Gender:** Female
- **Hair:** Brown, Ponytail, Long, Parted to Side
- **Eyes:** Green, Hosome
- **Body:** Young-adult
- **Role:** Wife

### Doumyouji (道明寺)
- **Gender:** Male
- **Hair:** Brown, Short, Stubble, Spiky, Short Bangs
- **Body:** Adult, Dark, Tanned
- **Eyes:** Itome

### Ende (エンデ)
- **Gender:** Male
- **Hair:** Blue, Long, Straight, Sidehair
- **Body:** Trap, Kid
- **Eyes:** Blue, Jitome, Permanent Blank Eyes

### Enkou Tomoo (猿猴 友男)
- **Gender:** Male
- **Hair:** Red, Short, Straight, Sideburns, Spiky Bangs, Thick Eyebrows
- **Eyes:** Black, Sanpaku Eyes
- **Body:** Young-adult, Tanned
- **Personality:** Mysterious

### Hariyanagi Daichi (針柳 大地)
- **Gender:** Male
- **Hair:** Brown, Curtained, Short, Goatee, Spiky, Thick Eyebrows, Parted in Middle
- **Eyes:** Black, Sanpaku Eyes
- **Body:** Young-adult
- **Clothes:** Suit, Necktie

### Kooriyama Motoi (郡山 基)
- **Gender:** Male
- **Hair:** Black, Short, Parted to Side
- **Eyes:** Hazel, Hosome
- **Body:** Adult
- **Clothes:** Glasses

### Matsushiba Hyouta (松柴 標太)
- **Gender:** Male
- **Hair:** Brown, Short, Thick Eyebrows, No Bangs, Crew Cut
- **Eyes:** Brown, Tareme, Shihaku Eyes
- **Body:** Teen, Tanned, Facial Scar

### Mayoiba Akihiro (迷羽 章弘)
- **Gender:** Male
- **Hair:** Black, Moustache, Thick Eyebrows, Crew Cut
- **Body:** Pale, Adult, Muscular
- **Eyes:** Black, Sanpaku Eyes
- **Role:** Father

### Mayoiba Kanako (迷羽 かな子)
- **Gender:** Female
- **Hair:** Brown, Long, Curtained, Straight, Parted to Side
- **Body:** Pale, Adult
- **Eyes:** Violet, Permanent Blank Eyes
- **Clothes:** Hat, Veil
- **Role:** Mother

### Mayoiba Kaneto (迷羽 カネト)
- **Gender:** Female
- **Hair:** Brown, Bun, Grey, No Eyebrows, No Bangs, Parted in Middle
- **Body:** Pale, Old, Wrinkles
- **Eyes:** Violet, Sanpaku Eyes
- **Clothes:** Necklace
- **Role:** Grandmother

### Mayoiba Kumari (迷羽 久摩利)
- **Gender:** Female
- **Hair:** Long, Straight, Green, V Bangs
- **Body:** Pale
- **Eyes:** Violet, Tsurime
- **Role:** Daughter

### Obokata Shin (小保方 シン)
- **Gender:** Male
- **Hair:** Brown, Shoulder-length, Mullet, Straight, Thick Eyebrows
- **Eyes:** Black, Sanpaku Eyes
- **Body:** Young-adult, Muscular, Dark

### Yata Youhei (八田 曜平)
- **Gender:** Male
- **Hair:** Curtained, Short, Straight, Grey, Parted in Middle
- **Eyes:** Brown, Hosome
- **Clothes:** Monocle
- **Role:** Onzoushi

## Shops
- [Official Website](http://ugcp.sakura.ne.jp/bouga.html)

## Releases
### Japanese
- **2005-08-20**: Bouga Kyoukai - [Official website](http://ugcp.sakura.ne.jp/bouga.html), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=33828)
- **2005**: Bouga Kyoukai - Trial Edition - [Official website](https://web.archive.org/web/20081019063415/http://ugcp.sakura.ne.jp:80/kouji.html)
- **2006-09-05**: Bouga Kyoukai - Download Edition - [Official website](http://ugcp.sakura.ne.jp/bouga.html), [Digiket](https://www.digiket.com/work/show/_data/ID=ITM0007430/), [BOOTH](https://booth.pm/en/items/1156137)
- **2014-07-07**: Bouga Kyoukai Doppelganger Complete Pack - [Digiket](https://www.digiket.com/work/show/_data/ID=ITM0101119/)

### Korean
- **2024-07-07**: Mang-a-gyeong-gye - [Official website](https://869987465.tistory.com/26)

## Tags
Sexual Content, Graphic Violence, Horror, NVL, Male Protagonist, Multiple Protagonists, Adult Protagonist, Protagonist with Glasses, Protagonist with a Face, Adult Hero, Bara, University Student Protagonist, Dark Skinned Hero, Macho Protagonist, White Haired Hero, University Student Hero, Married Hero, Boy x Boy Romance Only, Muscular Hero, Muscular Protagonist, Male on Male Sex Only

## More Games from Underground Campaign
- [Utsurogami](https://pinovel.net/v10713)
- [Ore to Mahou no Koibito](https://pinovel.net/v13815)
- [Ie, Tatemasu!](https://pinovel.net/v14058)
- [Bouga Kyoukai](https://pinovel.net/v10714)
- [Umisen Yamasen](https://pinovel.net/v10715)
- [Ryuusei-gou ni Notte](https://pinovel.net/v24105)
- [Bouga Kyoukai: Kanma no Niwa](https://pinovel.net/v6497)
- [Okinawa Slave Island](https://pinovel.net/v7691)
- [Maison de M](https://pinovel.net/v13814)
- [ANA●HOLIC!](https://pinovel.net/v35097)
- [Specie to Chimera](https://pinovel.net/v14942)
- [Dokata Kuchi-manhole - Tobi Hen](https://pinovel.net/v24106)
- [Gilly no Yakkyoku ~ Gangimari no Shohousen ~](https://pinovel.net/v35096)
- [Igyou no Anteros](https://pinovel.net/v35087)
- [Dokata Kuchi-manhole 2 - Keibiin Hen](https://pinovel.net/v33402)
- [Inraku no Kumotsu](https://pinovel.net/v37448)
- [Shinkai Utsurogami](https://pinovel.net/v53575)

---
*View the full details at [pinovel.net/v10714](https://pinovel.net/v10714).*

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```