---
title: "Koi to Yuujou no Kyoukaisen"
description: "\"Hatsukoi no Houteishiki\" retold from Keito's perspective."
image: "https://t.vndb.org/cv/24/17224.jpg"
---

# Koi to Yuujou no Kyoukaisen

![Koi to Yuujou no Kyoukaisen](https://t.vndb.org/cv/24/17224.jpg)

**Alternative Title:** 恋と友情の境界線

**Aliases:** 「恋と友情の境界線-体験版-」

**Developer:** BL Declaration!

**Release date:** Aug 12, 2013

**Platform:** Windows

**Language:** Japanese

**Rating:** 8.0/10 (avg, 1 votes)

## Description
"Hatsukoi no Houteishiki" retold from Keito's perspective.

## Characters
### Homeroom Teacher (担任教師)
- **Gender:** Female
- **Role:** Homeroom Teacher
- **Voiced by:** Kaneda Kokichi

### Mikuni Keito (三國 啓人)
- **Gender:** Male
- **Hair:** Brown
- **Eyes:** Brown
- **Body:** Teen
- **Role:** Friend
- **Engages in:** Murder
- **Subject of:** Being Drugged
- **Clothes:** Gakuran
- **Voiced by:** Hirasawa Tomoe

### Saitou Takuma (斉藤 拓真)
- **Gender:** Male
- **Hair:** Blue, Short
- **Body:** Young-adult
- **Role:** University Student, Older Brother
- **Subject of:** Homicide, Asphyxia
- **Engages in:** Drugging
- **Voiced by:** Guy Guy

### Saitou Yuki (斉藤 由貴)
- **Gender:** Male
- **Hair:** Blue, Short
- **Body:** Teen
- **Clothes:** Hairpin
- **Subject of:** Homicide
- **Role:** Younger Brother
- **Voiced by:** Chiyu

### Convenience Store Clerk (コンビニ店員)
- **Gender:** Female
- **Role:** Shop Clerk
- **Voiced by:** Oowarai

### Girl (女の子)
- **Gender:** Female
- **Role:** Figment
- **Voiced by:** Nishina Makoto

### Mikuni Asuka (三國 明日香)
- **Gender:** Female
- **Traits:** 
- **Voiced by:** Hirasawa Tomoe

## Shops
- [Official Website](https://web.archive.org/web/20230927123722/http://blxxxdeclaration.web.fc2.com/game/main_game-003.html)

## Releases
### Japanese
- **2013-08-12**: Koi to Yuujou no Kyoukaisen - [Official website](https://web.archive.org/web/20230927123722/http://blxxxdeclaration.web.fc2.com/game/main_game-003.html)
- **2013-08-17**: Koi to Yuujou no Kyoukaisen -Trial Edition- - [Freem!](https://www.freem.ne.jp/win/game/5414), [Freegame Mugen](https://freegame-mugen.jp/adventure/game_2435.html)

## Tags
Male on Male Sex, Male Protagonist, Protagonist with Voice Acting, One True End, Netorare, Protagonist with a Face, Male on Male Rape, Anal Penetration, Protagonist's Childhood Friend as a Hero, Sixty-nine, Sounds of Copulation, High School Student Protagonist, Rape Involving Drugs, Seme Protagonist, Reversible Yaoi Pairing, Male on Male Sex Only, Boy x Boy Romance Only

## More Games from BL Declaration!
- [Kako ~Recall the past~](https://pinovel.net/v12968)
- [Hatsukoi no Houteishiki](https://pinovel.net/v12918)
- [Koi to Yuujou no Kyoukaisen](https://pinovel.net/v13241)

---
*View the full details at [pinovel.net/v13241](https://pinovel.net/v13241).*

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```