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About This Mod
If you’re looking for a Sims 4 CAS mirror background that bursts with color and playful charm, this set is a must-have. The Sanrio CAS Background setup transforms your CAS surroundings into a kawaii paradise filled with Sanrio decor. The objects range from pink walls and plushies to themed posters and rugs. I love how the mirror reflects your Sim and makes the space feel more immersive. This background is perfect for fans of Hello Kitty, My Melody, and the entire Sanrio crew.
How to Install
Follow these steps to install Sanrio CAS Background on your Sims 4 game:
- 1
Download the mod file from the link above. Sims 4 mods typically come as .package or .ts4script files.
- 2
Open your Sims 4 Mods folder. The default location is: Documents/Electronic Arts/The Sims 4/Mods
- 3
Place the downloaded file directly into the Mods folder. You can organize mods into subfolders up to one level deep.
- 4
Launch The Sims 4 and go to Game Options > Other. Make sure "Enable Custom Content and Mods" is checked.
- 5
Restart the game if it was already running. The mod should now appear in your game.
Important: Always back up your save files before installing new mods. After Sims 4 updates, mods may need to be re-downloaded or updated by the creator.
Compatibility
Platform
The Sims 4 (PC/Mac)
Requirements
- •Custom Content and Mods must be enabled in Game Options > Other
- •Script mods (.ts4script files) require "Script Mods Allowed" to be enabled separately
- •After each Sims 4 game update, some mods may need to be updated by the creator
Pro tip: If a mod stops working after a game update, check the creator's page for an updated version. Broken mods can cause the game to behave unexpectedly.
Frequently Asked Questions
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Sanrio CAS Background
Created by
Simuko
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Additional Information
Published
December 5, 2025
Source
MustHaveMods.com
Last Updated
September 17, 2026