/// THE UNIVERSAL CHILD'S PLAY PATCH WAS UPDATED!! ///
How to play "Otona no Renai Shousetsu DS - Harlequin Selection" on your DSTT and R4
1. Download
Patch.rar and get a Patch.exe file from the RAR archive.
2. Drag your ROM and drop it onto the Patch.exe. That's all.
Note:
This path is not only for "Otona no Renai Shousetsu DS - Harlequin Selection". It's one of game to be patched by Universal Child's Play Patch.
The file having the ".bak" extension is the backup copy of the original nds file.
Credit to Rudolph.