start a new game, it asks u if u are of age 18 bla bla then a screan appears asking u if u want to start a game "negative influence I (previous games) and (Negative Power II (new build)... to by-pass the bug of the first corrupted guard simply download RpgMakerSaveEdit ->
https://f95zone.to/threads/rpg-maker-save-editors.51/ open the exe you just download, choose the save you are currently on edit the attack lvl to 9999 save and exit (top left corner) on the app, enter the game and u instantly kill the first corrupted guard.