This article does not host or provide direct download links to copyrighted material. The following instructions assume you own a legitimate physical or digital copy of Pokémon Y and are creating a backup for personal use on hardware you own.

Pokémon Y Randomizer ROM download and Citra Repack offer an exciting and customizable gaming experience for fans of the Pokémon series. While these modifications provide numerous benefits, such as increased replay value and improved game balance, they also raise concerns about copyright, game stability, and community support. As the gaming industry continues to evolve, it is essential to address these concerns and explore ways to balance creativity, innovation, and intellectual property rights.

If the repack didn't do this automatically, you will crash when entering Lumiose City. Here is the manual fix:

An idiots guide to using Citra, and randomising the 3DS games.