The filename you are targeting is exactly: Aikatsu- My No.1 Stage- -Decrypted- 3DS -JPN- ROM . This specific naming convention appears on several ROM archive sites. The file size is typically around 450 MB for the decrypted .3ds version.
However, I can offer a of the game itself: Aikatsu- My No.1 Stage- -Decrypted- 3DS -JPN- ROM
The game was also made available as a digital download from the Nintendo eShop, though this service has since been discontinued. The filename you are targeting is exactly: Aikatsu- My No
is a rhythm and idol-training game based on the incredibly popular Aikatsu! arcade and anime franchise. In this game, players create their own custom idol or play as iconic characters like Ichigo Hoshimiya and Akari Ōzora. The gameplay loop consists of: However, I can offer a of the game
Emulating Aikatsu! My No.1 Stage! on Citra: A Complete Guide to the Decrypted JPN 3DS ROM
What are you planning to play this on (PC, Android, Steam Deck, or a modded 3DS)? Which emulator do you currently have installed?
Citra is the premier open-source Nintendo 3DS emulator available for Windows, macOS, Linux, and Android. Citra requires Decrypted .3DS files.