Conception II: Shichisei no Michibiki to Mazuru no Akumu 3DS is a role-playing game developed and published by Spike Chunsoft, released in Japan on August 22, 2013. This page covers the Japanese (JPN) CIA build of the game — the installable package format used on Nintendo 3DS consoles running custom firmware. If you want the Japanese release with its original voice cast and text, this is the file you're looking for.

You can grab the package directly below. The archive is 1.5GB, so give yourself a stable connection before you start.

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Technical Specifications

What Conception II Actually Is

Conception II: Shichisei no Michibiki to Mazuru no Akumu — often shortened to Conception II — is a dungeon-crawling RPG with a dating-sim backbone. The premise is unusual even by Japanese RPG standards: you play as a young Disciple who must pair with Star Children to fight through labyrinthine dungeons, and the strength of those children depends on the bonds you build with your female party members. The game blends turn-based combat, party management, and relationship-building into one loop, and the Japanese release is the version that introduced the formula to 3DS owners before the Western localization arrived.

Because this is the JPN build, all in-game text and voice work are in Japanese. That matters if you're expecting the English script from the later Children of the Seven Stars release — the mechanics are the same, but the language is not. If you want the English version instead, the Conception II Children of the Seven Stars (USA) CIA is the counterpart file.

Key Features

• Dungeon-crawling RPG combat built around turn-based encounters across multi-floor labyrinths.
• Star Child party system — you create and manage a roster of offspring whose stats are shaped by your relationships.
• Relationship mechanics that tie party strength directly to how you interact with your companions between dungeon runs.
• Japanese voice acting and text preserved from the original 2013 release.
• CIA package format for installation on custom-firmware 3DS consoles via DevMenu, BigBlueMenu, or FBI.
• Playable on PC through Citra once the ROM is decrypted, if you prefer an emulator setup.

Who This Release Is For

This CIA is aimed at players who already run custom firmware on a Japanese or region-free 3DS and want the original release rather than the localized build. It suits collectors of Spike Chunsoft's 3DS catalog, players studying the Japanese script alongside the English version, and anyone using Citra on Windows who wants to compare regional builds. If you're new to 3DS homebrew entirely, the install process below is the part to read carefully before you commit 1.5GB of storage.

Installing the CIA File

Place the .cia file on your BigSD card first, then install it using DevMenu, BigBlueMenu, or FBI. Make sure the file is in the correct directory on the card before you launch your installer — a misplaced CIA is the most common reason an install fails. Decrypted ROMs from this build are also playable on PC with the Citra 3DS Emulator.

Pros & Cons

• Pros: Authentic Japanese release with original voice cast; genre-blending RPG and relationship systems that few 3DS titles attempt; CIA format installs cleanly on CFW consoles; works with Citra for desktop play.
• Cons: Entirely in Japanese, with no English text option in this build; 1.5GB download is substantial for a 3DS title; requires custom firmware or an emulator — it will not run on a stock console; the game's premise and dating-sim elements are divisive.

Version Freshness and Publisher Details

This page reflects the JPN CIA upload dated May 2, 2020, credited to Berry. The underlying game is the original August 22, 2013 Japanese release from Spike Chunsoft, so there is no ongoing patch cycle to track — what you download is the retail package as dumped. Treat the version number in the table as an estimate rather than an official build string, since the source material does not publish one.

On trust: the archive is distributed password-free, and the input data does not include any malware-scanning results, so no clean-status claim is made here. Verify the file yourself after extraction. If you hit a broken or dead link, use the reupload request page rather than guessing at a mirror.

Download Links

JPN (1.5GB)

MegaUp | UptoBox | LetsUpload | 1Fichier

Use WinRAR or 7-Zip to extract the RAR archive. Keep your extraction tool updated — older versions sometimes prompt for passwords that don't exist on these files.

Notes Before You Extract

• For multi-part RAR extraction, check the FAQ section instead of asking in the comments.
• There is no password on any game file uploaded here — all archives are password-free.
• If a RAR reports damage or a CRC error, re-download that part rather than trying to repair it.
• Broken, missing, or dead links can be reported through the reupload request page.

More From the Same Catalog

If you enjoy the darker, narrative-driven side of the Nintendo Switch and 3DS library, We Are Eva Switch is worth a look, and Buddy Simulator 1984 Switch covers the experimental horror angle. For the broader Conception II package across platforms, see the Conception II: Shichisei no Michibiki to Mazuru no Akumu Free Download hub page.

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If you like this game, buy it and support the developers.

Looking for more top-rated recommendations? Check out our complete guide to the Best Role-playing Game.

Looking for more top-rated recommendations? Check out our complete guide to the Best Nintendo Switch Games, Role-playing Game.

Frequently Asked Questions & Setup Guide