https://github.com/ThemonChan/JWPCE
JWPce is a basic Japanese word processor that is designed primarily for the English speaker who is reading and/or writing in Japanese.
this is a great help on translating offline japanese to english
you can try the patch that I downloaded at
*snip*
I just rename the patch extention name from .mp3 to .rar
then follow the read me instruction.
so far i don't get black screen while playing one piece romance dawn