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Nightmare Harem: Otome Games





version Android
4.7 / 3

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Application information

Category: Simulators

Размер: 76.5 MB

Updated: 29.01.2023

Developer: Ciagram CO., LTD.

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Nightmare Harem: Otome Games is a captivating and thrilling otome game for Android that takes you on a journey into a world of demons and angels who fall in love with a human. The game offers a unique and exciting storyline filled with romance, secrets, and political intrigue. With its free-to-play model and no in-app purchases required to enjoy the full romance story, Nightmare Harem stands out among other otome games in the market.

Strong Points

  • Free to play and free installation
  • No in-app purchases required to read the whole romance story
  • Choices you make don't affect the ending
  • Read 5 episodes (chapters) every day for free
  • No missions/checkpoints to complete
  • No forced purchases
  • Available in multiple languages (English, French, German)
  • Get great CGs (character graphics)
  • Re-read romantic stories anytime
  • Exciting English anime love game with attractive characters

Love Stories

In Nightmare Harem, you play as an ordinary office lady who finds herself led by the red moon to a mysterious alternate dimension called "Nightmare" on her way home from work. In this dimension, you encounter enigmatic and handsome demons and angels who hold massive secrets. As you navigate through the alternate dimension, you engage in battles of political intrigue, experience betrayal, and ultimately find yourself falling in forbidden love. The dimension constantly changes, and you will meet the person you are destined to be with.

Handsome Guys to Choose From

  • Lucia - Demon
  • Levy - Demon
  • Kaim - Demon
  • Mikael - Angel
  • Noel - Angel
  • Ricardo - Angel
  • Mefy - Demon
  • Oswald - Demon
  • Lucas - Unknown species

Recommended for You If...

  • You have never played a romance game or otome game before
  • You enjoy visual novels, comics, and romance manga
  • You want to experience a mature relationship and a love that feels destined with a handsome guy


The game features captivating music from Maou Damashii and Pocket Sound.

Supported Languages

Nightmare Harem is available in English, French, and German.

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  • Uninstalling the app or clearing the cache will reset player data
  • The game requires an internet connection to play
  • Make sure your device's software is updated to version 4.1 or later

Terms of Service

For more information, please refer to the Terms of Service.

Nightmare Harem: Otome Games for downloaded 0 times. Nightmare Harem: Otome Games is distributed freely in the file type apk.

Game Nightmare Harem: Otome Games has been checked by VirusTotal antivirus. As a result of the scan, no file infections were detected by all the latest signatures.

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How to install Nightmare Harem: Otome Games

  1. Download APK file games from
  2. Locate the downloaded file. You can find it in the system tray or in the 'Download' folder using any file manager.
  3. If the file downloaded in .bin extension (WebView bug on Android 11), rename it to .apk using any file manager or try downloading the file with another browser like Chrome.
  4. Start the installation. Click on the downloaded file to start the installation
  5. Allow installation from unknown sources. If you are installing for the first time Nightmare Harem: Otome Games not from Google Play, go to your device's security settings and allow installation from unknown sources.
  6. Bypass Google Play protection. If Google Play protection blocks installation of the file, tap 'More Info' → 'Install anyway' → 'OK' to continue..
  7. Complete the installation: Follow the installer's instructions to complete the installation process.

How to update Nightmare Harem: Otome Games

  1. Download the new version games from
  2. Locate the downloaded file and click on it to start the installation.
  3. Install over the old version. There is no need to uninstall the previous version.
  4. Avoid signature conflicts. If the previous version was not downloaded from, the message 'Application not installed' may appear. In this case uninstall the old version and install the new one.
  5. Restart game Nightmare Harem: Otome Games after the update.

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