It may have some problem, contact iant6325 on discord if you have any problem using this program.
1. Unzip the file and launch the file. (the program requires Administrator because it modifies hosts file to block gacha history url)
2. Launch the game and navigate to gacha screen and tries to load history.
3. It is normal that the game have a problem fetching the history.
4. Press the try get url button in the tool.
Your personal account data is not stored, but some of your gacha history will be saved to the server to make statistics. Your email will be collected when you login.