Responses
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Yeah it would lead to the place having a bad reputation and they could also potentially be sued for discriminating against customers based purely off of appearance (but he'd have to be real ballsy to attempt to sue a store in the red-light district and idk what the chances of the customer winning would be. Maybe they could say it's slander since he didn't do anything wrong yet but idk Japan's laws)
My thing is why would they allow the guy in the place if they felt he was susΣ(  ̄□ ̄||)