The reputation system probably needs a rework, since certain things like urinating cause you to move toward being more slutty (this is because internally these count as “erotic events” and I need to add code to create an exception for them). Some other innocuous things also count, like certain ways to avoid being arrested, getting caught outside without your clothes even if they were stolen, etc. Reputation is probably not a good indicator of how pure your run is do to this.
Your overall reputation only advances based on the total number of scenes you’ve been in, and doesn’t go back down. The three other reputation values (skill, depravity, and notoriety) all go up and down, but the overall rep never goes back down, so you can’t go back to lady, unfortunately.
A pure run isn’t actively intended to be possible, but it’s an interesting idea, and I think I could track it independently of the rep systems in place, and provide special rewards and bonuses for players who manage it, probably in the form of unique traits. It’s something I’ll think about!