Its creditsurm maybe but last time, I couldn't find the parameter for the hero's money.
Read here. https://f95zone.to/threads/my-cute-roommate-2-v12-10121-extra-astaros3d.90002/post-15099617
you dont need to "cheat the casino" tho. you will just get max 1950 from it.
better to just do what i suggest in the 2nd part of my thread.
and again for thous with a issues in the gym. try my solution i posted a few posts up.