How to use:
Copy AG3Decrypt_to_AG3.exe to ../Artificial Girl 3/data
folder. Locate file js3_00_02_00.pp in the same folder and
drug&drop it to the copied .exe. The folder named
js3_00_02_00 will appear.
Now copy there a15_01.xx and s15_01.xx from downloaded
archive. Return to /data folder, delete js3_00_02_00.pp (the
file not the folder).
Drug&drop js3_00_02_00 folder to AG3Decrypt_to_AG3.exe.
The file js3_00_02_00.pp will appear again. Done.