Downloaded your file and.....
Do you know Japanese? Subtitles are in japanese language, so if you are not Japanese I'll suggest you to search the web (maybe it's better through P2P) for a translated version...
If you are able to read japanese and want to conver it, open "subresync.exe" from VobSub directory, then click on the "Open" button, select the .idx file (or alternatively the .sub one, the process is the same) and once the file is loaded press the "Save as..." button and choose an output format (I'll suggest you SRT which is supported by BSplayer), then you have to type every single letter (ideogram in this case) untill you have typed all the possible letters/ideograms for the subtitle, then VobSub will convert the following...
:P
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