The Perverted trait might be responsible for them asking to meet in those rooms, but it doesn't seem to be the sole decider in whether they will ask you to follow them there. I've got a Highest virtue, non-Perverted100% certain that would be the perverted trait causing this. With perverted trait, the NPC will drag you into restricted zones for a conversation, or will ask to meet there (even if they themselves never will meet you there, if they ask for to meet in your gender restricted zone - ive waited like an idiot for an eternity once, since my girl asked me to meet in boys showers =,= )
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 that will sometimes ask me to follow into those rooms, and then she'll slap me right after. Her traits for reference are: Competitive, Scheming, Evil, Deaf. It's possible multiple traits allow for that behavior, or it's just entirely random what room they pick to go to. 
				
		 
			 
 
		 
 
		 
 
		 
 
 
 
 
		