---
title: "Bangguseoge Ineoagassi"
description: "Our protagonist lives out in the city but one summer decides to return to his rural hometown and it is there he once again meets his childhood friend, Ion… who "
image: "https://t.vndb.org/cv/01/106601.jpg"
---

# Bangguseoge Ineoagassi

![Bangguseoge Ineoagassi](https://t.vndb.org/cv/01/106601.jpg)

**Alternative Title:** 방구석에 인어아가씨

**Aliases:** 방인아, 방인어, gutters mermaid girl.

**Developer:** TALESSHOP / COSEN Co., Ltd.

**Release date:** Jul 23, 2014

**Platform:** Windows, iOS, Android, PS4, Switch

**Language:** English, Indonesian, Japanese, Korean, Chinese (simplified), Chinese (traditional)

**Rating:** 5.9/10 (51 votes)

## Description
Our protagonist lives out in the city but one summer decides to return to his rural hometown and it is there he once again meets his childhood friend, Ion… who is now a mermaid!?

Soon after he also meets Petakko, a mermaid who has lost her memory, and Rin, a priestess who looks after mermaids but also has a split personality. It is these encounters that brings our protagonist in contact with the legend surrounding mermaid.

Together with Ion, who is at the center of this mysterious legend, as well as Petakko and Rin, our protagonist’s strange summer vacation begins…

## Characters
### Bak Do-gyeong (박 도경)
- **Gender:** Male
- **Traits:** 

### Myeong A-yeon (명 아연)
A childhood friend of the protagonist who has somehow gotten herself turned into a mermaid.
Usually a shy and somewhat introverted girl, but, when she's with Hiroto, she sometimes uses her tail to express how she feels... By hitting him with it!

- **Gender:** Female
- **Aliases:** 明 雅沿, Myeong A-yeon
- **Hair:** Black, Blue, Waist Length+, Spiky Bangs, Parted to Side, Sidehair, Gradient Colored Hair
- **Body:** Teen, Pale, Fish Fins, Big Breasts
- **Personality:** Reserved, Shy, Childishly Violent
- **Role:** Cousin, Childhood Friend, Merperson
- **Eyes:** Garnet
- **Clothes:** Hanbok
- **Voiced by:** Fuchigami Mai

### Myeong Jeong (명 정)
A priestess of a mysterious shrine said to have been built by people who moved to the village a long time ago from overseas. She knows both Ion and Petako and seems to take care of them. She's much stronger than she looks. And yes, her punches are incredibly painful.

It is hypothesized that since she is a priestess, she can become possessed by her shrine's deity. It's like she has two completely different personalities!

[spoiler]She is Ion's cousin. [/spoiler]

- **Gender:** Female
- **Aliases:** 明 正, Myeong Jeong, 정이, Jeongi
- **Hair:** Bob Cut, Short, Grey, Blunt Bangs
- **Body:** Pale
- **Eyes:** Hazel
- **Clothes:** Dress, Mini Hat
- **Subject of:** Split Personality
- **Role:** Cousin, Priest
- **Voiced by:** Kayama Risa

### Napjagi (납작이)
A bright and outgoing girl with a memory system that's basically degraded to that of a fish. Really, she can barely even remember what happened the day before. More research is needed to determine if this is normal part of being a mermaid. It doesn't seem to hold her back any though, she lives her life to its fullest.

- **Gender:** Female
- **Hair:** Ahoge, Short, Cyan, V Bangs
- **Body:** Pale, Kid, Fish Fins
- **Eyes:** Blue
- **Personality:** Outgoing, Cheerful
- **Subject of:** Weak Memory
- **Role:** Merperson
- **Clothes:** Oversized Clothing
- **Voiced by:** Jo Kyoung-i

## Shops
- [Official Website](https://sekai.games/game/my-girlfriend-is-a-mermaid/)
- [Steam](https://store.steampowered.com/app/869870/)

## Releases
### Korean
- **2014-07-23**: Bangguseoge Ineoagassi - [Official website](http://www.talesshop.com/?page=product&query=fish), [Google Play](https://play.google.com/store/apps/details?id=air.dog.fish)
- **2014-07-23**: Bangguseoge Ineoagassi - [Official website](http://www.talesshop.com/?page=product&query=fish), [App Store](https://apps.apple.com/kr/app/id904882274)
- **2019-02-28**: Bangguseoge Ineoagassi My Girlfriend is a Mermaid!? - Download Edition - [Official website](https://sekai.games/game/my-girlfriend-is-a-mermaid/), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=27532), [Nintendo](https://www.nintendo.com/store/products/my-girlfriend-is-a-mermaid-switch/), [Nintendo (JP)](https://store-jp.nintendo.com/item/software/D70010000005026), [Nintendo (HK)](https://store.nintendo.com.hk/70010000016581)
- **2019-02-28**: Boku no Kanojo wa Ningyo Hime!? My Girlfriend is a Mermaid!? - JP Physical Edition - [Official website](http://cosen-net.com/my-girlfriend-is-a-mermaid/), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=27532), [PlayAsia](https://www.play-asia.com/13/70ce59)
- **2019-02-28**: Bang-guseog-e In-eoagassi My Girlfriend is a Mermaid!? - KR Physical Edition - [Official website](http://kr.cosen-net.com/방구석에-인어아가씨/), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=27532)
- **2022-07-07**: Boku no Kanojo wa Ningyo Hime!? Refine My Girlfriend is a Mermaid!? - JP Edition - [Official website](https://cosen-net.com/refine/), [PlayAsia](https://www.play-asia.com/13/70f6l7)
- **2022-07-07**: Boku no Kanojo wa Ningyo Hime!? Refine My Girlfriend is a Mermaid!? - JP Limited Edition - [Official website](https://cosen-net.com/refine/), [PlayAsia](https://www.play-asia.com/13/70f6lb)
- **2022-08-04**: My Girlfriend is a Mermaid!? Refine - Download Edition - [PlayStation Store (NA)](https://store.playstation.com/en-us/product/UP0737-CUSA32714_00-2622775243738349), [PlayStation Store (EU)](https://store.playstation.com/en-gb/product/EP0734-CUSA32717_00-2458400428018514)

### Japanese
- **2016-07-07**: Boku no Kanojo wa Ningyo Hime!? - [Official website](http://www.talesshop.com/?page=product&query=fish)
- **2016-07-07**: Boku no Kanojo wa Ningyo Hime!? - [Official website](http://www.talesshop.com/?page=product&query=fish)
- **2018-11-04**: She is Mermaid
- **2019-01-07**: She is Mermaid - [Steam](https://store.steampowered.com/app/869870/), [SteamDB](https://steamdb.info/app/869870/info/)
- **2019-02-28**: Bangguseoge Ineoagassi My Girlfriend is a Mermaid!? - Download Edition - [Official website](https://sekai.games/game/my-girlfriend-is-a-mermaid/), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=27532), [Nintendo](https://www.nintendo.com/store/products/my-girlfriend-is-a-mermaid-switch/), [Nintendo (JP)](https://store-jp.nintendo.com/item/software/D70010000005026), [Nintendo (HK)](https://store.nintendo.com.hk/70010000016581)
- **2019-02-28**: Boku no Kanojo wa Ningyo Hime!? My Girlfriend is a Mermaid!? - JP Physical Edition - [Official website](http://cosen-net.com/my-girlfriend-is-a-mermaid/), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=27532), [PlayAsia](https://www.play-asia.com/13/70ce59)
- **2019-02-28**: Bang-guseog-e In-eoagassi My Girlfriend is a Mermaid!? - KR Physical Edition - [Official website](http://kr.cosen-net.com/방구석에-인어아가씨/), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=27532)
- **2022-07-07**: Boku no Kanojo wa Ningyo Hime!? Refine My Girlfriend is a Mermaid!? - JP Edition - [Official website](https://cosen-net.com/refine/), [PlayAsia](https://www.play-asia.com/13/70f6l7)
- **2022-07-07**: Boku no Kanojo wa Ningyo Hime!? Refine My Girlfriend is a Mermaid!? - JP Limited Edition - [Official website](https://cosen-net.com/refine/), [PlayAsia](https://www.play-asia.com/13/70f6lb)
- **2022-08-04**: My Girlfriend is a Mermaid!? Refine - Download Edition - [PlayStation Store (NA)](https://store.playstation.com/en-us/product/UP0737-CUSA32714_00-2622775243738349), [PlayStation Store (EU)](https://store.playstation.com/en-gb/product/EP0734-CUSA32717_00-2458400428018514)

### Chinese (simplified)
- **2018-09-08**: She is Mermaid
- **2018-11-04**: She is Mermaid
- **2019-01-07**: She is Mermaid - [Steam](https://store.steampowered.com/app/869870/), [SteamDB](https://steamdb.info/app/869870/info/)
- **2019-02-28**: Boku no Kanojo wa Ningyo Hime!? My Girlfriend is a Mermaid!? - JP Physical Edition - [Official website](http://cosen-net.com/my-girlfriend-is-a-mermaid/), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=27532), [PlayAsia](https://www.play-asia.com/13/70ce59)
- **2019-02-28**: Bang-guseog-e In-eoagassi My Girlfriend is a Mermaid!? - KR Physical Edition - [Official website](http://kr.cosen-net.com/방구석에-인어아가씨/), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=27532)

### Chinese (traditional)
- **2018-09-08**: She is Mermaid
- **2018-11-04**: She is Mermaid
- **2019-01-07**: She is Mermaid - [Steam](https://store.steampowered.com/app/869870/), [SteamDB](https://steamdb.info/app/869870/info/)
- **2019-02-28**: Bangguseoge Ineoagassi My Girlfriend is a Mermaid!? - Download Edition - [Official website](https://sekai.games/game/my-girlfriend-is-a-mermaid/), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=27532), [Nintendo](https://www.nintendo.com/store/products/my-girlfriend-is-a-mermaid-switch/), [Nintendo (JP)](https://store-jp.nintendo.com/item/software/D70010000005026), [Nintendo (HK)](https://store.nintendo.com.hk/70010000016581)
- **2019-02-28**: Boku no Kanojo wa Ningyo Hime!? My Girlfriend is a Mermaid!? - JP Physical Edition - [Official website](http://cosen-net.com/my-girlfriend-is-a-mermaid/), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=27532), [PlayAsia](https://www.play-asia.com/13/70ce59)
- **2019-02-28**: Bang-guseog-e In-eoagassi My Girlfriend is a Mermaid!? - KR Physical Edition - [Official website](http://kr.cosen-net.com/방구석에-인어아가씨/), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=27532)
- **2022-07-07**: Boku no Kanojo wa Ningyo Hime!? Refine My Girlfriend is a Mermaid!? - JP Edition - [Official website](https://cosen-net.com/refine/), [PlayAsia](https://www.play-asia.com/13/70f6l7)
- **2022-07-07**: Boku no Kanojo wa Ningyo Hime!? Refine My Girlfriend is a Mermaid!? - JP Limited Edition - [Official website](https://cosen-net.com/refine/), [PlayAsia](https://www.play-asia.com/13/70f6lb)
- **2022-08-04**: My Girlfriend is a Mermaid!? Refine - Download Edition - [PlayStation Store (NA)](https://store.playstation.com/en-us/product/UP0737-CUSA32714_00-2622775243738349), [PlayStation Store (EU)](https://store.playstation.com/en-gb/product/EP0734-CUSA32717_00-2458400428018514)

### English
- **2019-01-07**: She is Mermaid - [Steam](https://store.steampowered.com/app/869870/), [SteamDB](https://steamdb.info/app/869870/info/)
- **2019-02-28**: Bangguseoge Ineoagassi My Girlfriend is a Mermaid!? - Download Edition - [Official website](https://sekai.games/game/my-girlfriend-is-a-mermaid/), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=27532), [Nintendo](https://www.nintendo.com/store/products/my-girlfriend-is-a-mermaid-switch/), [Nintendo (JP)](https://store-jp.nintendo.com/item/software/D70010000005026), [Nintendo (HK)](https://store.nintendo.com.hk/70010000016581)
- **2019-02-28**: Boku no Kanojo wa Ningyo Hime!? My Girlfriend is a Mermaid!? - JP Physical Edition - [Official website](http://cosen-net.com/my-girlfriend-is-a-mermaid/), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=27532), [PlayAsia](https://www.play-asia.com/13/70ce59)
- **2019-02-28**: Bang-guseog-e In-eoagassi My Girlfriend is a Mermaid!? - KR Physical Edition - [Official website](http://kr.cosen-net.com/방구석에-인어아가씨/), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=27532)
- **2022-07-07**: Boku no Kanojo wa Ningyo Hime!? Refine My Girlfriend is a Mermaid!? - JP Edition - [Official website](https://cosen-net.com/refine/), [PlayAsia](https://www.play-asia.com/13/70f6l7)
- **2022-07-07**: Boku no Kanojo wa Ningyo Hime!? Refine My Girlfriend is a Mermaid!? - JP Limited Edition - [Official website](https://cosen-net.com/refine/), [PlayAsia](https://www.play-asia.com/13/70f6lb)
- **2022-08-04**: My Girlfriend is a Mermaid!? Refine - Download Edition - [PlayStation Store (NA)](https://store.playstation.com/en-us/product/UP0737-CUSA32714_00-2622775243738349), [PlayStation Store (EU)](https://store.playstation.com/en-gb/product/EP0734-CUSA32717_00-2458400428018514)

### Indonesian
- **2023-06-16**: Dia adalah duyung - [Official website](https://collect-translation-indo.blogspot.com/2023/02/bangguseoge-ineoagassi-indonesia-id.html)

## Tags
ADV, Male Protagonist, Multiple Endings, Amnesia, Protagonist's Childhood Friend as a Heroine, Shy Heroine, Bad Ending(s), Summer, Mermaid Heroine, Support Character with Multiple Personalities, Lazy Heroine, Non-Japanese Voice Acting, Japanese Voice Acting (For Non-OJLVNs), Childishly Violent Heroine

## More Games from TALESSHOP / COSEN Co., Ltd.
- [Bangguseoge Ineoagassi](https://pinovel.net/v18325)
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---
*View the full details at [pinovel.net/v18325](https://pinovel.net/v18325).*

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