I don't remember how I did it exactly, but I used my Japanese rhythm heaven save in korean version of the game. Hex editing was involved iirc but it was just a title id probably.
If the game was not heavily modded that it has the same format, It would work. else, well you'll gonna have to find other way.
If the game was not heavily modded that it has the same format, It would work. else, well you'll gonna have to find other way.