You have to get the japanese version of the game. Tho I believe there is a download for the japanese .exe you can use, instead of buying it.

Baixa a versão japa mano, se quiser o executavel me chama lá no discord: PabloS#7982

You're game has to be a Japanese copy, if you want the exe you can dm me on here or on discord.(ニトウザ#1221)