---
title: "Haitoku Shirene - Anata no Shiranai Naraku no Soko"
description: "You must not set foot in this story with a pure and loving heart. When you pursue the forbidden secret of the girl, you will be struck down to the depths of hel"
image: "https://t.vndb.org/cv/38/100138.jpg"
---

# Haitoku Shirene - Anata no Shiranai Naraku no Soko

![Haitoku Shirene - Anata no Shiranai Naraku no Soko](https://t.vndb.org/cv/38/100138.jpg)

**Alternative Title:** 背徳シレネ - あなたの知らない奈落の底

**Aliases:** Immoral Sirene - You Don't Know the Depths of Hell, Immoral Cyrenne

**Developer:** CHARON

**Release date:** Mar 12, 2019

**Platform:** Windows

**Language:** Japanese, English, Spanish, Portuguese (Brazil)

**Rating:** 5.7/10 (33 votes)

## Description
You must not set foot in this story with a pure and loving heart.
When you pursue the forbidden secret of the girl, you will be struck down to the depths of hell...

[From [DLsite English](https://www.dlsite.com/ecchi-eng/announce/=/product_id/RE247036.html)]

## Characters
### Shiraha Nadeshiko (白羽 なでしこ)
A beautiful, mature and neat woman with an older-sister like aura, she seems to like Yuki.
She harbors a big secret, only she and Yuki know of her identity.

[Translated from [url=https://nekocharon.jp/sirene.html]official site[/url]]

- **Gender:** Female
- **Hair:** Pink, Violet, Long, Wig, Blunt Bangs, Multiple Braids
- **Body:** Slim, Pale, Young-adult, Big Breasts
- **Clothes:** Coat, Scarf, Necktie, Skirt, Sundress, Over The Knee Socks
- **Personality:** Pervert, Smart, Mature, Cruel, Manipulative, Obsessive, Sadist
- **Role:** Friend, Hacker, Yamato Nadeshiko, Secret Identity, Famous, Model, Sexual Dominant, Lonely, Sex Friend
- **Engages in:** Teasing, Stalking, Infidelity
- **Eyes:** Pink
- **Subject of:** Homicide, Disappearance, Completely Avoidable Death, Unhealthy Relationship
- **Voiced by:** Asagi Shiki

### Sirene (シレネ)
A girl who looks like Nadeshiko when she was a child. She interferes in everything she does, cursing her. Her expression remains stagnant, even when frustrated.

[Translated from [url=https://nekocharon.jp/sirene.html]official site[/url]]

- **Gender:** Female
- **Hair:** Pink, Long, Blunt Bangs, Gradient Colored Hair
- **Body:** Slim, Pale, Kid, Younger Appearance
- **Personality:** Stoic, Observant
- **Clothes:** Hair Flower, Sundress
- **Eyes:** Pink, Multicolored Eyes
- **Engages in:** Not Sexually Involved
- **Role:** Figment

## Shops
- [Official Website](https://enoshima210.work/2024/11/29/sirene2/)
- [Steam](https://store.steampowered.com/app/3374680/)
- [Itch](https://ijedi1234.itch.io/immoral-sirene-english-patch)
- [DLsite](https://www.dlsite.com/maniax/work/=/product_id/RJ01300536.html)

## Releases
### Japanese
- **2019-03-12**: Haitoku Shirene - Anata no Shiranai Naraku no Soko - [Official website](http://nekocharon.jp/sirene.html), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=30440), [Steam](https://store.steampowered.com/app/1388530/), [SteamDB](https://steamdb.info/app/1388530/info/), [DLsite](https://www.dlsite.com/maniax/work/=/product_id/RJ247036.html)
- **2024-12-30**: Haitoku Shirene -Sex Friend de ii Kara Soba ni Ite- Download Edition - [Official website](https://enoshima210.work/2024/11/29/sirene2/), [Steam](https://store.steampowered.com/app/3374680/), [SteamDB](https://steamdb.info/app/3374680/info/), [DLsite](https://www.dlsite.com/maniax/work/=/product_id/RJ01300536.html), [DMM](https://www.dmm.co.jp/dc/doujin/-/detail/=/cid=d_483708/)
- **2024-12-30**: Haitoku Shirene -Sex Friend de ii Kara Soba ni Ite- Package Edition - [Official website](https://enoshima210.work/2024/11/29/sirene2/), [BOOTH](https://booth.pm/en/items/6317336)

### English
- **2023-07-30**: Immoral Sirene - [Itch.io](https://ijedi1234.itch.io/immoral-sirene-english-patch)

### Spanish
- **2023-10-31**: Sirene la inmoral – El abismo que no conoces - [Official website](https://whitenovelstraducciones.wordpress.com/2023/10/31/sirene-la-inmoral-el-abismo-que-no-conoces/)

### Portuguese (Brazil)
- **2024-02-11**: A Imoral Sirene - O Abismo que você não conhece - [Official website](https://www.sekaivisualnovels.com/p/sekaivn-haitoku-sirene-anata-no.html)
- **2024-02-11**: A Imoral Sirene - O Abismo que você não conhece - [Official website](https://www.sekaivisualnovels.com/p/sekaivn-haitoku-sirene-anata-no.html)

## Tags
Sexual Content, ADV, Male Protagonist, Adult Protagonist, Relationship Problems, Adult Heroine, Heroine with Psychological Problems, Protagonist with Psychological Problems, Arrogant Heroine, Villainous Heroine, Central Heroine, Few Choices, Mindbreak, Model Heroine, Heroine with Big Breasts, Psychological Horror

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---
*View the full details at [pinovel.net/v25506](https://pinovel.net/v25506).*

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